Home / 86,686.27-119,627.10-48,447.38

Finding the Fourth Proportional to 86,686.27, 119,627.10 and 48,447.38

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Solution

The fourth proportional to 86,686.27, 119,627.10 and 48,447.38 is: 66,857.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,686.27 : 119,627.10 = 48,447.38 : x
  2. Step 2: Convert to fraction form
    86,686.27/119,627.10 = 48,447.38/x
  3. Step 3: Cross multiply
    86,686.27x = 119,627.10 × 48,447.38
  4. Step 4: Simplify right side
    86,686.27x = 5,795,619,871.07
  5. Step 5: Solve for x
    x = 5,795,619,871.07/86,686.27
  6. Step 6: Final answer
    x = 66,857.42

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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.