Home / 65,555.18-98,250.78-28,071.62

Finding the Fourth Proportional to 65,555.18, 98,250.78 and 28,071.62

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Solution

The fourth proportional to 65,555.18, 98,250.78 and 28,071.62 is: 42,072.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,555.18 : 98,250.78 = 28,071.62 : x
  2. Step 2: Convert to fraction form
    65,555.18/98,250.78 = 28,071.62/x
  3. Step 3: Cross multiply
    65,555.18x = 98,250.78 × 28,071.62
  4. Step 4: Simplify right side
    65,555.18x = 2,758,058,560.86
  5. Step 5: Solve for x
    x = 2,758,058,560.86/65,555.18
  6. Step 6: Final answer
    x = 42,072.32

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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.