Home / 86,261.59-119,039.77-48,535.75

Finding the Fourth Proportional to 86,261.59, 119,039.77 and 48,535.75

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Solution

The fourth proportional to 86,261.59, 119,039.77 and 48,535.75 is: 66,978.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,261.59 : 119,039.77 = 48,535.75 : x
  2. Step 2: Convert to fraction form
    86,261.59/119,039.77 = 48,535.75/x
  3. Step 3: Cross multiply
    86,261.59x = 119,039.77 × 48,535.75
  4. Step 4: Simplify right side
    86,261.59x = 5,777,684,516.78
  5. Step 5: Solve for x
    x = 5,777,684,516.78/86,261.59
  6. Step 6: Final answer
    x = 66,978.65

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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.