Home / 108,215.16-149,337.66-60,470.52

Finding the Fourth Proportional to 108,215.16, 149,337.66 and 60,470.52

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Solution

The fourth proportional to 108,215.16, 149,337.66 and 60,470.52 is: 83,449.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,215.16 : 149,337.66 = 60,470.52 : x
  2. Step 2: Convert to fraction form
    108,215.16/149,337.66 = 60,470.52/x
  3. Step 3: Cross multiply
    108,215.16x = 149,337.66 × 60,470.52
  4. Step 4: Simplify right side
    108,215.16x = 9,030,525,955.78
  5. Step 5: Solve for x
    x = 9,030,525,955.78/108,215.16
  6. Step 6: Final answer
    x = 83,449.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.