Home / 82,710.22-124,077.63-38,341.46

Finding the Fourth Proportional to 82,710.22, 124,077.63 and 38,341.46

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Solution

The fourth proportional to 82,710.22, 124,077.63 and 38,341.46 is: 57,517.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,710.22 : 124,077.63 = 38,341.46 : x
  2. Step 2: Convert to fraction form
    82,710.22/124,077.63 = 38,341.46/x
  3. Step 3: Cross multiply
    82,710.22x = 124,077.63 × 38,341.46
  4. Step 4: Simplify right side
    82,710.22x = 4,757,316,771.30
  5. Step 5: Solve for x
    x = 4,757,316,771.30/82,710.22
  6. Step 6: Final answer
    x = 57,517.88

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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.