Home / 104,443.74-144,135.45-56,700.18

Finding the Fourth Proportional to 104,443.74, 144,135.45 and 56,700.18

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Solution

The fourth proportional to 104,443.74, 144,135.45 and 56,700.18 is: 78,247.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,443.74 : 144,135.45 = 56,700.18 : x
  2. Step 2: Convert to fraction form
    104,443.74/144,135.45 = 56,700.18/x
  3. Step 3: Cross multiply
    104,443.74x = 144,135.45 × 56,700.18
  4. Step 4: Simplify right side
    104,443.74x = 8,172,505,959.38
  5. Step 5: Solve for x
    x = 8,172,505,959.38/104,443.74
  6. Step 6: Final answer
    x = 78,247.93

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.