Home / 132,487.47-182,835.06-72,059.43

Finding the Fourth Proportional to 132,487.47, 182,835.06 and 72,059.43

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Solution

The fourth proportional to 132,487.47, 182,835.06 and 72,059.43 is: 99,443.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,487.47 : 182,835.06 = 72,059.43 : x
  2. Step 2: Convert to fraction form
    132,487.47/182,835.06 = 72,059.43/x
  3. Step 3: Cross multiply
    132,487.47x = 182,835.06 × 72,059.43
  4. Step 4: Simplify right side
    132,487.47x = 13,174,990,207.62
  5. Step 5: Solve for x
    x = 13,174,990,207.62/132,487.47
  6. Step 6: Final answer
    x = 99,443.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.