Home / 74,446.70-102,737.11-40,455.18

Finding the Fourth Proportional to 74,446.70, 102,737.11 and 40,455.18

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Solution

The fourth proportional to 74,446.70, 102,737.11 and 40,455.18 is: 55,828.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,446.70 : 102,737.11 = 40,455.18 : x
  2. Step 2: Convert to fraction form
    74,446.70/102,737.11 = 40,455.18/x
  3. Step 3: Cross multiply
    74,446.70x = 102,737.11 × 40,455.18
  4. Step 4: Simplify right side
    74,446.70x = 4,156,248,277.73
  5. Step 5: Solve for x
    x = 4,156,248,277.73/74,446.70
  6. Step 6: Final answer
    x = 55,828.51

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1.5x scale

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.