Home / 89,984.30-134,962.58-30,013.82

Finding the Fourth Proportional to 89,984.30, 134,962.58 and 30,013.82

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Solution

The fourth proportional to 89,984.30, 134,962.58 and 30,013.82 is: 45,016.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,984.30 : 134,962.58 = 30,013.82 : x
  2. Step 2: Convert to fraction form
    89,984.30/134,962.58 = 30,013.82/x
  3. Step 3: Cross multiply
    89,984.30x = 134,962.58 × 30,013.82
  4. Step 4: Simplify right side
    89,984.30x = 4,050,741,757.97
  5. Step 5: Solve for x
    x = 4,050,741,757.97/89,984.30
  6. Step 6: Final answer
    x = 45,016.10

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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.