Home / 64,121.16-88,487.46-37,279.38

Finding the Fourth Proportional to 64,121.16, 88,487.46 and 37,279.38

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Solution

The fourth proportional to 64,121.16, 88,487.46 and 37,279.38 is: 51,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,121.16 : 88,487.46 = 37,279.38 : x
  2. Step 2: Convert to fraction form
    64,121.16/88,487.46 = 37,279.38/x
  3. Step 3: Cross multiply
    64,121.16x = 88,487.46 × 37,279.38
  4. Step 4: Simplify right side
    64,121.16x = 3,298,757,646.57
  5. Step 5: Solve for x
    x = 3,298,757,646.57/64,121.16
  6. Step 6: Final answer
    x = 51,445.70

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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.