Home / 82,760.10-124,042.95-38,292.93

Finding the Fourth Proportional to 82,760.10, 124,042.95 and 38,292.93

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Solution

The fourth proportional to 82,760.10, 124,042.95 and 38,292.93 is: 57,394.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,760.10 : 124,042.95 = 38,292.93 : x
  2. Step 2: Convert to fraction form
    82,760.10/124,042.95 = 38,292.93/x
  3. Step 3: Cross multiply
    82,760.10x = 124,042.95 × 38,292.93
  4. Step 4: Simplify right side
    82,760.10x = 4,749,968,001.34
  5. Step 5: Solve for x
    x = 4,749,968,001.34/82,760.10
  6. Step 6: Final answer
    x = 57,394.42

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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.