Home / 105,032.57-157,618.92-54,478.19

Finding the Fourth Proportional to 105,032.57, 157,618.92 and 54,478.19

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Solution

The fourth proportional to 105,032.57, 157,618.92 and 54,478.19 is: 81,753.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,032.57 : 157,618.92 = 54,478.19 : x
  2. Step 2: Convert to fraction form
    105,032.57/157,618.92 = 54,478.19/x
  3. Step 3: Cross multiply
    105,032.57x = 157,618.92 × 54,478.19
  4. Step 4: Simplify right side
    105,032.57x = 8,586,793,471.35
  5. Step 5: Solve for x
    x = 8,586,793,471.35/105,032.57
  6. Step 6: Final answer
    x = 81,753.63

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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.