Home / 86,760.33-119,728.42-48,519.45

Finding the Fourth Proportional to 86,760.33, 119,728.42 and 48,519.45

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Solution

The fourth proportional to 86,760.33, 119,728.42 and 48,519.45 is: 66,956.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,760.33 : 119,728.42 = 48,519.45 : x
  2. Step 2: Convert to fraction form
    86,760.33/119,728.42 = 48,519.45/x
  3. Step 3: Cross multiply
    86,760.33x = 119,728.42 × 48,519.45
  4. Step 4: Simplify right side
    86,760.33x = 5,809,156,966.47
  5. Step 5: Solve for x
    x = 5,809,156,966.47/86,760.33
  6. Step 6: Final answer
    x = 66,956.38

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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.