Home / 90,392.26-124,699.13-56,876.74

Finding the Fourth Proportional to 90,392.26, 124,699.13 and 56,876.74

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Solution

The fourth proportional to 90,392.26, 124,699.13 and 56,876.74 is: 78,463.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,392.26 : 124,699.13 = 56,876.74 : x
  2. Step 2: Convert to fraction form
    90,392.26/124,699.13 = 56,876.74/x
  3. Step 3: Cross multiply
    90,392.26x = 124,699.13 × 56,876.74
  4. Step 4: Simplify right side
    90,392.26x = 7,092,479,995.24
  5. Step 5: Solve for x
    x = 7,092,479,995.24/90,392.26
  6. Step 6: Final answer
    x = 78,463.36

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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.