Home / 111,412.43-153,749.23-60,425.14

Finding the Fourth Proportional to 111,412.43, 153,749.23 and 60,425.14

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Solution

The fourth proportional to 111,412.43, 153,749.23 and 60,425.14 is: 83,386.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,412.43 : 153,749.23 = 60,425.14 : x
  2. Step 2: Convert to fraction form
    111,412.43/153,749.23 = 60,425.14/x
  3. Step 3: Cross multiply
    111,412.43x = 153,749.23 × 60,425.14
  4. Step 4: Simplify right side
    111,412.43x = 9,290,318,747.64
  5. Step 5: Solve for x
    x = 9,290,318,747.64/111,412.43
  6. Step 6: Final answer
    x = 83,386.73

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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.