Home / 108,318.47-149,481.45-60,570.79

Finding the Fourth Proportional to 108,318.47, 149,481.45 and 60,570.79

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Solution

The fourth proportional to 108,318.47, 149,481.45 and 60,570.79 is: 83,588.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,318.47 : 149,481.45 = 60,570.79 : x
  2. Step 2: Convert to fraction form
    108,318.47/149,481.45 = 60,570.79/x
  3. Step 3: Cross multiply
    108,318.47x = 149,481.45 × 60,570.79
  4. Step 4: Simplify right side
    108,318.47x = 9,054,209,143.14
  5. Step 5: Solve for x
    x = 9,054,209,143.14/108,318.47
  6. Step 6: Final answer
    x = 83,588.79

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1.5x scale

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.