Home / 82,751.10-124,029.45-38,283.93

Finding the Fourth Proportional to 82,751.10, 124,029.45 and 38,283.93

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Solution

The fourth proportional to 82,751.10, 124,029.45 and 38,283.93 is: 57,380.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,751.10 : 124,029.45 = 38,283.93 : x
  2. Step 2: Convert to fraction form
    82,751.10/124,029.45 = 38,283.93/x
  3. Step 3: Cross multiply
    82,751.10x = 124,029.45 × 38,283.93
  4. Step 4: Simplify right side
    82,751.10x = 4,748,334,781.74
  5. Step 5: Solve for x
    x = 4,748,334,781.74/82,751.10
  6. Step 6: Final answer
    x = 57,380.93

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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.