Home / 83,423.16-125,136.24-27,263.40

Finding the Fourth Proportional to 83,423.16, 125,136.24 and 27,263.40

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Solution

The fourth proportional to 83,423.16, 125,136.24 and 27,263.40 is: 40,895.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,423.16 : 125,136.24 = 27,263.40 : x
  2. Step 2: Convert to fraction form
    83,423.16/125,136.24 = 27,263.40/x
  3. Step 3: Cross multiply
    83,423.16x = 125,136.24 × 27,263.40
  4. Step 4: Simplify right side
    83,423.16x = 3,411,639,365.62
  5. Step 5: Solve for x
    x = 3,411,639,365.62/83,423.16
  6. Step 6: Final answer
    x = 40,895.59

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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.