Home / 77,607.56-116,412.15-62,123.60

Finding the Fourth Proportional to 77,607.56, 116,412.15 and 62,123.60

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Solution

The fourth proportional to 77,607.56, 116,412.15 and 62,123.60 is: 93,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,607.56 : 116,412.15 = 62,123.60 : x
  2. Step 2: Convert to fraction form
    77,607.56/116,412.15 = 62,123.60/x
  3. Step 3: Cross multiply
    77,607.56x = 116,412.15 × 62,123.60
  4. Step 4: Simplify right side
    77,607.56x = 7,231,941,841.74
  5. Step 5: Solve for x
    x = 7,231,941,841.74/77,607.56
  6. Step 6: Final answer
    x = 93,186.05

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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.