Home / 104,440.38-144,127.59-56,693.72

Finding the Fourth Proportional to 104,440.38, 144,127.59 and 56,693.72

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Solution

The fourth proportional to 104,440.38, 144,127.59 and 56,693.72 is: 78,237.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,440.38 : 144,127.59 = 56,693.72 : x
  2. Step 2: Convert to fraction form
    104,440.38/144,127.59 = 56,693.72/x
  3. Step 3: Cross multiply
    104,440.38x = 144,127.59 × 56,693.72
  4. Step 4: Simplify right side
    104,440.38x = 8,171,128,511.10
  5. Step 5: Solve for x
    x = 8,171,128,511.10/104,440.38
  6. Step 6: Final answer
    x = 78,237.25

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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.