Home / 99,916.46-149,948.51-47,325.95

Finding the Fourth Proportional to 99,916.46, 149,948.51 and 47,325.95

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Solution

The fourth proportional to 99,916.46, 149,948.51 and 47,325.95 is: 71,023.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,916.46 : 149,948.51 = 47,325.95 : x
  2. Step 2: Convert to fraction form
    99,916.46/149,948.51 = 47,325.95/x
  3. Step 3: Cross multiply
    99,916.46x = 149,948.51 × 47,325.95
  4. Step 4: Simplify right side
    99,916.46x = 7,096,454,700.46
  5. Step 5: Solve for x
    x = 7,096,454,700.46/99,916.46
  6. Step 6: Final answer
    x = 71,023.88

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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.