Home / 121,487.72-182,225.10-32,739.80

Finding the Fourth Proportional to 121,487.72, 182,225.10 and 32,739.80

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Solution

The fourth proportional to 121,487.72, 182,225.10 and 32,739.80 is: 49,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,487.72 : 182,225.10 = 32,739.80 : x
  2. Step 2: Convert to fraction form
    121,487.72/182,225.10 = 32,739.80/x
  3. Step 3: Cross multiply
    121,487.72x = 182,225.10 × 32,739.80
  4. Step 4: Simplify right side
    121,487.72x = 5,966,013,328.98
  5. Step 5: Solve for x
    x = 5,966,013,328.98/121,487.72
  6. Step 6: Final answer
    x = 49,107.95

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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.