Home / 77,034.77-115,472.87-37,543.02

Finding the Fourth Proportional to 77,034.77, 115,472.87 and 37,543.02

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Solution

The fourth proportional to 77,034.77, 115,472.87 and 37,543.02 is: 56,275.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,034.77 : 115,472.87 = 37,543.02 : x
  2. Step 2: Convert to fraction form
    77,034.77/115,472.87 = 37,543.02/x
  3. Step 3: Cross multiply
    77,034.77x = 115,472.87 × 37,543.02
  4. Step 4: Simplify right side
    77,034.77x = 4,335,200,267.87
  5. Step 5: Solve for x
    x = 4,335,200,267.87/77,034.77
  6. Step 6: Final answer
    x = 56,275.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.