Home / 108,065.68-149,130.26-60,318.61

Finding the Fourth Proportional to 108,065.68, 149,130.26 and 60,318.61

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Solution

The fourth proportional to 108,065.68, 149,130.26 and 60,318.61 is: 83,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,065.68 : 149,130.26 = 60,318.61 : x
  2. Step 2: Convert to fraction form
    108,065.68/149,130.26 = 60,318.61/x
  3. Step 3: Cross multiply
    108,065.68x = 149,130.26 × 60,318.61
  4. Step 4: Simplify right side
    108,065.68x = 8,995,329,883.21
  5. Step 5: Solve for x
    x = 8,995,329,883.21/108,065.68
  6. Step 6: Final answer
    x = 83,239.47

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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.