Home / 86,760.16-119,728.18-48,519.28

Finding the Fourth Proportional to 86,760.16, 119,728.18 and 48,519.28

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Solution

The fourth proportional to 86,760.16, 119,728.18 and 48,519.28 is: 66,956.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,760.16 : 119,728.18 = 48,519.28 : x
  2. Step 2: Convert to fraction form
    86,760.16/119,728.18 = 48,519.28/x
  3. Step 3: Cross multiply
    86,760.16x = 119,728.18 × 48,519.28
  4. Step 4: Simplify right side
    86,760.16x = 5,809,125,089.31
  5. Step 5: Solve for x
    x = 5,809,125,089.31/86,760.16
  6. Step 6: Final answer
    x = 66,956.14

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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.