Home / 90,460.26-124,753.48-56,471.88

Finding the Fourth Proportional to 90,460.26, 124,753.48 and 56,471.88

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Solution

The fourth proportional to 90,460.26, 124,753.48 and 56,471.88 is: 77,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,460.26 : 124,753.48 = 56,471.88 : x
  2. Step 2: Convert to fraction form
    90,460.26/124,753.48 = 56,471.88/x
  3. Step 3: Cross multiply
    90,460.26x = 124,753.48 × 56,471.88
  4. Step 4: Simplify right side
    90,460.26x = 7,045,063,552.14
  5. Step 5: Solve for x
    x = 7,045,063,552.14/90,460.26
  6. Step 6: Final answer
    x = 77,880.20

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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.