Home / 65,571.18-98,086.10-49,656.64

Finding the Fourth Proportional to 65,571.18, 98,086.10 and 49,656.64

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Solution

The fourth proportional to 65,571.18, 98,086.10 and 49,656.64 is: 74,279.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,571.18 : 98,086.10 = 49,656.64 : x
  2. Step 2: Convert to fraction form
    65,571.18/98,086.10 = 49,656.64/x
  3. Step 3: Cross multiply
    65,571.18x = 98,086.10 × 49,656.64
  4. Step 4: Simplify right side
    65,571.18x = 4,870,626,156.70
  5. Step 5: Solve for x
    x = 4,870,626,156.70/65,571.18
  6. Step 6: Final answer
    x = 74,279.98

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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.