Home / 86,057.10-118,758.42-47,822.88

Finding the Fourth Proportional to 86,057.10, 118,758.42 and 47,822.88

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Solution

The fourth proportional to 86,057.10, 118,758.42 and 47,822.88 is: 65,995.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,057.10 : 118,758.42 = 47,822.88 : x
  2. Step 2: Convert to fraction form
    86,057.10/118,758.42 = 47,822.88/x
  3. Step 3: Cross multiply
    86,057.10x = 118,758.42 × 47,822.88
  4. Step 4: Simplify right side
    86,057.10x = 5,679,369,668.65
  5. Step 5: Solve for x
    x = 5,679,369,668.65/86,057.10
  6. Step 6: Final answer
    x = 65,995.36

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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.