Home / 82,899.55-124,312.80-23,721.76

Finding the Fourth Proportional to 82,899.55, 124,312.80 and 23,721.76

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Solution

The fourth proportional to 82,899.55, 124,312.80 and 23,721.76 is: 35,572.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,899.55 : 124,312.80 = 23,721.76 : x
  2. Step 2: Convert to fraction form
    82,899.55/124,312.80 = 23,721.76/x
  3. Step 3: Cross multiply
    82,899.55x = 124,312.80 × 23,721.76
  4. Step 4: Simplify right side
    82,899.55x = 2,948,917,784.96
  5. Step 5: Solve for x
    x = 2,948,917,784.96/82,899.55
  6. Step 6: Final answer
    x = 35,572.18

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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.