Home / 86,057.20-118,758.55-47,822.97

Finding the Fourth Proportional to 86,057.20, 118,758.55 and 47,822.97

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Solution

The fourth proportional to 86,057.20, 118,758.55 and 47,822.97 is: 65,995.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,057.20 : 118,758.55 = 47,822.97 : x
  2. Step 2: Convert to fraction form
    86,057.20/118,758.55 = 47,822.97/x
  3. Step 3: Cross multiply
    86,057.20x = 118,758.55 × 47,822.97
  4. Step 4: Simplify right side
    86,057.20x = 5,679,386,573.89
  5. Step 5: Solve for x
    x = 5,679,386,573.89/86,057.20
  6. Step 6: Final answer
    x = 65,995.48

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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.