Home / 82,527.40-123,776.70-29,909.80

Finding the Fourth Proportional to 82,527.40, 123,776.70 and 29,909.80

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Solution

The fourth proportional to 82,527.40, 123,776.70 and 29,909.80 is: 44,859.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,527.40 : 123,776.70 = 29,909.80 : x
  2. Step 2: Convert to fraction form
    82,527.40/123,776.70 = 29,909.80/x
  3. Step 3: Cross multiply
    82,527.40x = 123,776.70 × 29,909.80
  4. Step 4: Simplify right side
    82,527.40x = 3,702,136,341.66
  5. Step 5: Solve for x
    x = 3,702,136,341.66/82,527.40
  6. Step 6: Final answer
    x = 44,859.48

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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.