Home / 65,554.10-98,331.22-28,089.88

Finding the Fourth Proportional to 65,554.10, 98,331.22 and 28,089.88

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Solution

The fourth proportional to 65,554.10, 98,331.22 and 28,089.88 is: 42,134.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,554.10 : 98,331.22 = 28,089.88 : x
  2. Step 2: Convert to fraction form
    65,554.10/98,331.22 = 28,089.88/x
  3. Step 3: Cross multiply
    65,554.10x = 98,331.22 × 28,089.88
  4. Step 4: Simplify right side
    65,554.10x = 2,762,112,170.05
  5. Step 5: Solve for x
    x = 2,762,112,170.05/65,554.10
  6. Step 6: Final answer
    x = 42,134.85

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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.