Home / 111,560.68-153,955.62-61,264.36

Finding the Fourth Proportional to 111,560.68, 153,955.62 and 61,264.36

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Solution

The fourth proportional to 111,560.68, 153,955.62 and 61,264.36 is: 84,545.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,560.68 : 153,955.62 = 61,264.36 : x
  2. Step 2: Convert to fraction form
    111,560.68/153,955.62 = 61,264.36/x
  3. Step 3: Cross multiply
    111,560.68x = 153,955.62 × 61,264.36
  4. Step 4: Simplify right side
    111,560.68x = 9,431,992,527.70
  5. Step 5: Solve for x
    x = 9,431,992,527.70/111,560.68
  6. Step 6: Final answer
    x = 84,545.85

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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.