Home / 111,731.55-154,192.58-60,747.71

Finding the Fourth Proportional to 111,731.55, 154,192.58 and 60,747.71

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Solution

The fourth proportional to 111,731.55, 154,192.58 and 60,747.71 is: 83,833.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,731.55 : 154,192.58 = 60,747.71 : x
  2. Step 2: Convert to fraction form
    111,731.55/154,192.58 = 60,747.71/x
  3. Step 3: Cross multiply
    111,731.55x = 154,192.58 × 60,747.71
  4. Step 4: Simplify right side
    111,731.55x = 9,366,845,059.29
  5. Step 5: Solve for x
    x = 9,366,845,059.29/111,731.55
  6. Step 6: Final answer
    x = 83,833.48

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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.