Home / 86,932.32-119,938.56-48,686.16

Finding the Fourth Proportional to 86,932.32, 119,938.56 and 48,686.16

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Solution

The fourth proportional to 86,932.32, 119,938.56 and 48,686.16 is: 67,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,932.32 : 119,938.56 = 48,686.16 : x
  2. Step 2: Convert to fraction form
    86,932.32/119,938.56 = 48,686.16/x
  3. Step 3: Cross multiply
    86,932.32x = 119,938.56 × 48,686.16
  4. Step 4: Simplify right side
    86,932.32x = 5,839,347,922.33
  5. Step 5: Solve for x
    x = 5,839,347,922.33/86,932.32
  6. Step 6: Final answer
    x = 67,171.20

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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.