Home / 89,316.59-134,039.69-71,995.55

Finding the Fourth Proportional to 89,316.59, 134,039.69 and 71,995.55

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Solution

The fourth proportional to 89,316.59, 134,039.69 and 71,995.55 is: 108,045.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,316.59 : 134,039.69 = 71,995.55 : x
  2. Step 2: Convert to fraction form
    89,316.59/134,039.69 = 71,995.55/x
  3. Step 3: Cross multiply
    89,316.59x = 134,039.69 × 71,995.55
  4. Step 4: Simplify right side
    89,316.59x = 9,650,261,203.38
  5. Step 5: Solve for x
    x = 9,650,261,203.38/89,316.59
  6. Step 6: Final answer
    x = 108,045.56

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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.