Home / 102,474.24-153,666.72-54,432.34

Finding the Fourth Proportional to 102,474.24, 153,666.72 and 54,432.34

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Solution

The fourth proportional to 102,474.24, 153,666.72 and 54,432.34 is: 81,624.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,474.24 : 153,666.72 = 54,432.34 : x
  2. Step 2: Convert to fraction form
    102,474.24/153,666.72 = 54,432.34/x
  3. Step 3: Cross multiply
    102,474.24x = 153,666.72 × 54,432.34
  4. Step 4: Simplify right side
    102,474.24x = 8,364,438,109.23
  5. Step 5: Solve for x
    x = 8,364,438,109.23/102,474.24
  6. Step 6: Final answer
    x = 81,624.79

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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.