Home / 84,856.64-117,098.88-47,133.12

Finding the Fourth Proportional to 84,856.64, 117,098.88 and 47,133.12

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Solution

The fourth proportional to 84,856.64, 117,098.88 and 47,133.12 is: 65,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,856.64 : 117,098.88 = 47,133.12 : x
  2. Step 2: Convert to fraction form
    84,856.64/117,098.88 = 47,133.12/x
  3. Step 3: Cross multiply
    84,856.64x = 117,098.88 × 47,133.12
  4. Step 4: Simplify right side
    84,856.64x = 5,519,235,562.91
  5. Step 5: Solve for x
    x = 5,519,235,562.91/84,856.64
  6. Step 6: Final answer
    x = 65,041.88

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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.