Home / 90,035.21-124,265.78-59,354.47

Finding the Fourth Proportional to 90,035.21, 124,265.78 and 59,354.47

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Solution

The fourth proportional to 90,035.21, 124,265.78 and 59,354.47 is: 81,920.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,035.21 : 124,265.78 = 59,354.47 : x
  2. Step 2: Convert to fraction form
    90,035.21/124,265.78 = 59,354.47/x
  3. Step 3: Cross multiply
    90,035.21x = 124,265.78 × 59,354.47
  4. Step 4: Simplify right side
    90,035.21x = 7,375,729,592.18
  5. Step 5: Solve for x
    x = 7,375,729,592.18/90,035.21
  6. Step 6: Final answer
    x = 81,920.50

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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.