Home / 90,308.79-124,625.25-52,054.38

Finding the Fourth Proportional to 90,308.79, 124,625.25 and 52,054.38

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Solution

The fourth proportional to 90,308.79, 124,625.25 and 52,054.38 is: 71,834.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,308.79 : 124,625.25 = 52,054.38 : x
  2. Step 2: Convert to fraction form
    90,308.79/124,625.25 = 52,054.38/x
  3. Step 3: Cross multiply
    90,308.79x = 124,625.25 × 52,054.38
  4. Step 4: Simplify right side
    90,308.79x = 6,487,290,121.10
  5. Step 5: Solve for x
    x = 6,487,290,121.10/90,308.79
  6. Step 6: Final answer
    x = 71,834.54

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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.