Home / 111,010.08-153,195.12-60,708

Finding the Fourth Proportional to 111,010.08, 153,195.12 and 60,708

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Solution

The fourth proportional to 111,010.08, 153,195.12 and 60,708 is: 83,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,010.08 : 153,195.12 = 60,708 : x
  2. Step 2: Convert to fraction form
    111,010.08/153,195.12 = 60,708/x
  3. Step 3: Cross multiply
    111,010.08x = 153,195.12 × 60,708
  4. Step 4: Simplify right side
    111,010.08x = 9,300,169,344.96
  5. Step 5: Solve for x
    x = 9,300,169,344.96/111,010.08
  6. Step 6: Final answer
    x = 83,777.70

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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.