Home / 65,354.59-90,175.53-42,726.70

Finding the Fourth Proportional to 65,354.59, 90,175.53 and 42,726.70

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Solution

The fourth proportional to 65,354.59, 90,175.53 and 42,726.70 is: 58,953.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,354.59 : 90,175.53 = 42,726.70 : x
  2. Step 2: Convert to fraction form
    65,354.59/90,175.53 = 42,726.70/x
  3. Step 3: Cross multiply
    65,354.59x = 90,175.53 × 42,726.70
  4. Step 4: Simplify right side
    65,354.59x = 3,852,902,817.65
  5. Step 5: Solve for x
    x = 3,852,902,817.65/65,354.59
  6. Step 6: Final answer
    x = 58,953.82

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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.