Home / 89,314.59-134,036.69-71,993.55

Finding the Fourth Proportional to 89,314.59, 134,036.69 and 71,993.55

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Solution

The fourth proportional to 89,314.59, 134,036.69 and 71,993.55 is: 108,042.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,314.59 : 134,036.69 = 71,993.55 : x
  2. Step 2: Convert to fraction form
    89,314.59/134,036.69 = 71,993.55/x
  3. Step 3: Cross multiply
    89,314.59x = 134,036.69 × 71,993.55
  4. Step 4: Simplify right side
    89,314.59x = 9,649,776,783.38
  5. Step 5: Solve for x
    x = 9,649,776,783.38/89,314.59
  6. Step 6: Final answer
    x = 108,042.56

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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.