Home / 106,452.10-159,678.80-31,572.86

Finding the Fourth Proportional to 106,452.10, 159,678.80 and 31,572.86

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Solution

The fourth proportional to 106,452.10, 159,678.80 and 31,572.86 is: 47,359.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,452.10 : 159,678.80 = 31,572.86 : x
  2. Step 2: Convert to fraction form
    106,452.10/159,678.80 = 31,572.86/x
  3. Step 3: Cross multiply
    106,452.10x = 159,678.80 × 31,572.86
  4. Step 4: Simplify right side
    106,452.10x = 5,041,516,397.37
  5. Step 5: Solve for x
    x = 5,041,516,397.37/106,452.10
  6. Step 6: Final answer
    x = 47,359.48

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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.