Home / 110,966.78-153,134.13-60,665.78

Finding the Fourth Proportional to 110,966.78, 153,134.13 and 60,665.78

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Solution

The fourth proportional to 110,966.78, 153,134.13 and 60,665.78 is: 83,718.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,966.78 : 153,134.13 = 60,665.78 : x
  2. Step 2: Convert to fraction form
    110,966.78/153,134.13 = 60,665.78/x
  3. Step 3: Cross multiply
    110,966.78x = 153,134.13 × 60,665.78
  4. Step 4: Simplify right side
    110,966.78x = 9,290,001,441.07
  5. Step 5: Solve for x
    x = 9,290,001,441.07/110,966.78
  6. Step 6: Final answer
    x = 83,718.76

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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.