Home / 77,489.60-116,123.50-44,140.84

Finding the Fourth Proportional to 77,489.60, 116,123.50 and 44,140.84

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Solution

The fourth proportional to 77,489.60, 116,123.50 and 44,140.84 is: 66,148.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,489.60 : 116,123.50 = 44,140.84 : x
  2. Step 2: Convert to fraction form
    77,489.60/116,123.50 = 44,140.84/x
  3. Step 3: Cross multiply
    77,489.60x = 116,123.50 × 44,140.84
  4. Step 4: Simplify right side
    77,489.60x = 5,125,788,833.74
  5. Step 5: Solve for x
    x = 5,125,788,833.74/77,489.60
  6. Step 6: Final answer
    x = 66,148.09

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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.