Home / 93,572.31-140,359.68-31,242.81

Finding the Fourth Proportional to 93,572.31, 140,359.68 and 31,242.81

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Solution

The fourth proportional to 93,572.31, 140,359.68 and 31,242.81 is: 46,864.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,572.31 : 140,359.68 = 31,242.81 : x
  2. Step 2: Convert to fraction form
    93,572.31/140,359.68 = 31,242.81/x
  3. Step 3: Cross multiply
    93,572.31x = 140,359.68 × 31,242.81
  4. Step 4: Simplify right side
    93,572.31x = 4,385,230,813.90
  5. Step 5: Solve for x
    x = 4,385,230,813.90/93,572.31
  6. Step 6: Final answer
    x = 46,864.62

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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.