Home / 93,830.45-140,760.05-31,515.53

Finding the Fourth Proportional to 93,830.45, 140,760.05 and 31,515.53

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Solution

The fourth proportional to 93,830.45, 140,760.05 and 31,515.53 is: 47,278.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,830.45 : 140,760.05 = 31,515.53 : x
  2. Step 2: Convert to fraction form
    93,830.45/140,760.05 = 31,515.53/x
  3. Step 3: Cross multiply
    93,830.45x = 140,760.05 × 31,515.53
  4. Step 4: Simplify right side
    93,830.45x = 4,436,126,717.20
  5. Step 5: Solve for x
    x = 4,436,126,717.20/93,830.45
  6. Step 6: Final answer
    x = 47,278.12

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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.