Home / 104,774.71-144,592.17-57,031.15

Finding the Fourth Proportional to 104,774.71, 144,592.17 and 57,031.15

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Solution

The fourth proportional to 104,774.71, 144,592.17 and 57,031.15 is: 78,704.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,774.71 : 144,592.17 = 57,031.15 : x
  2. Step 2: Convert to fraction form
    104,774.71/144,592.17 = 57,031.15/x
  3. Step 3: Cross multiply
    104,774.71x = 144,592.17 × 57,031.15
  4. Step 4: Simplify right side
    104,774.71x = 8,246,257,736.10
  5. Step 5: Solve for x
    x = 8,246,257,736.10/104,774.71
  6. Step 6: Final answer
    x = 78,704.66

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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.