Home / 104,508.78-144,222.88-56,762.14

Finding the Fourth Proportional to 104,508.78, 144,222.88 and 56,762.14

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Solution

The fourth proportional to 104,508.78, 144,222.88 and 56,762.14 is: 78,332.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,508.78 : 144,222.88 = 56,762.14 : x
  2. Step 2: Convert to fraction form
    104,508.78/144,222.88 = 56,762.14/x
  3. Step 3: Cross multiply
    104,508.78x = 144,222.88 × 56,762.14
  4. Step 4: Simplify right side
    104,508.78x = 8,186,399,585.77
  5. Step 5: Solve for x
    x = 8,186,399,585.77/104,508.78
  6. Step 6: Final answer
    x = 78,332.17

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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.