Home / 86,659.40-130,032.30-49,248.20

Finding the Fourth Proportional to 86,659.40, 130,032.30 and 49,248.20

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Solution

The fourth proportional to 86,659.40, 130,032.30 and 49,248.20 is: 73,896.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,659.40 : 130,032.30 = 49,248.20 : x
  2. Step 2: Convert to fraction form
    86,659.40/130,032.30 = 49,248.20/x
  3. Step 3: Cross multiply
    86,659.40x = 130,032.30 × 49,248.20
  4. Step 4: Simplify right side
    86,659.40x = 6,403,856,716.86
  5. Step 5: Solve for x
    x = 6,403,856,716.86/86,659.40
  6. Step 6: Final answer
    x = 73,896.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.