Home / 90,066.45-124,308.87-59,385.60

Finding the Fourth Proportional to 90,066.45, 124,308.87 and 59,385.60

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Solution

The fourth proportional to 90,066.45, 124,308.87 and 59,385.60 is: 81,963.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,066.45 : 124,308.87 = 59,385.60 : x
  2. Step 2: Convert to fraction form
    90,066.45/124,308.87 = 59,385.60/x
  3. Step 3: Cross multiply
    90,066.45x = 124,308.87 × 59,385.60
  4. Step 4: Simplify right side
    90,066.45x = 7,382,156,830.27
  5. Step 5: Solve for x
    x = 7,382,156,830.27/90,066.45
  6. Step 6: Final answer
    x = 81,963.45

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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.