Home / 84,718.04-116,932.18-57,540.16

Finding the Fourth Proportional to 84,718.04, 116,932.18 and 57,540.16

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Solution

The fourth proportional to 84,718.04, 116,932.18 and 57,540.16 is: 79,419.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,718.04 : 116,932.18 = 57,540.16 : x
  2. Step 2: Convert to fraction form
    84,718.04/116,932.18 = 57,540.16/x
  3. Step 3: Cross multiply
    84,718.04x = 116,932.18 × 57,540.16
  4. Step 4: Simplify right side
    84,718.04x = 6,728,296,346.35
  5. Step 5: Solve for x
    x = 6,728,296,346.35/84,718.04
  6. Step 6: Final answer
    x = 79,419.88

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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.