Home / 82,445.18-123,672.55-23,275.89

Finding the Fourth Proportional to 82,445.18, 123,672.55 and 23,275.89

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Solution

The fourth proportional to 82,445.18, 123,672.55 and 23,275.89 is: 34,915.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,445.18 : 123,672.55 = 23,275.89 : x
  2. Step 2: Convert to fraction form
    82,445.18/123,672.55 = 23,275.89/x
  3. Step 3: Cross multiply
    82,445.18x = 123,672.55 × 23,275.89
  4. Step 4: Simplify right side
    82,445.18x = 2,878,588,920.81
  5. Step 5: Solve for x
    x = 2,878,588,920.81/82,445.18
  6. Step 6: Final answer
    x = 34,915.19

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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.