Home / 75,123.18-112,688.42-61,951.50

Finding the Fourth Proportional to 75,123.18, 112,688.42 and 61,951.50

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Solution

The fourth proportional to 75,123.18, 112,688.42 and 61,951.50 is: 92,930.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,123.18 : 112,688.42 = 61,951.50 : x
  2. Step 2: Convert to fraction form
    75,123.18/112,688.42 = 61,951.50/x
  3. Step 3: Cross multiply
    75,123.18x = 112,688.42 × 61,951.50
  4. Step 4: Simplify right side
    75,123.18x = 6,981,216,341.87
  5. Step 5: Solve for x
    x = 6,981,216,341.87/75,123.18
  6. Step 6: Final answer
    x = 92,930.26

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