Home / 90,310.85-124,617.15-52,071.83

Finding the Fourth Proportional to 90,310.85, 124,617.15 and 52,071.83

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Solution

The fourth proportional to 90,310.85, 124,617.15 and 52,071.83 is: 71,852.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,310.85 : 124,617.15 = 52,071.83 : x
  2. Step 2: Convert to fraction form
    90,310.85/124,617.15 = 52,071.83/x
  3. Step 3: Cross multiply
    90,310.85x = 124,617.15 × 52,071.83
  4. Step 4: Simplify right side
    90,310.85x = 6,489,042,426.80
  5. Step 5: Solve for x
    x = 6,489,042,426.80/90,310.85
  6. Step 6: Final answer
    x = 71,852.31

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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.