Home / 111,025.13-153,218.34-60,724.13

Finding the Fourth Proportional to 111,025.13, 153,218.34 and 60,724.13

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Solution

The fourth proportional to 111,025.13, 153,218.34 and 60,724.13 is: 83,801.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,025.13 : 153,218.34 = 60,724.13 : x
  2. Step 2: Convert to fraction form
    111,025.13/153,218.34 = 60,724.13/x
  3. Step 3: Cross multiply
    111,025.13x = 153,218.34 × 60,724.13
  4. Step 4: Simplify right side
    111,025.13x = 9,304,049,630.45
  5. Step 5: Solve for x
    x = 9,304,049,630.45/111,025.13
  6. Step 6: Final answer
    x = 83,801.30

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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.