Home / 111,530.27-153,912.19-60,543.10

Finding the Fourth Proportional to 111,530.27, 153,912.19 and 60,543.10

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Solution

The fourth proportional to 111,530.27, 153,912.19 and 60,543.10 is: 83,549.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,530.27 : 153,912.19 = 60,543.10 : x
  2. Step 2: Convert to fraction form
    111,530.27/153,912.19 = 60,543.10/x
  3. Step 3: Cross multiply
    111,530.27x = 153,912.19 × 60,543.10
  4. Step 4: Simplify right side
    111,530.27x = 9,318,321,110.39
  5. Step 5: Solve for x
    x = 9,318,321,110.39/111,530.27
  6. Step 6: Final answer
    x = 83,549.70

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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.