Home / 65,837.20-98,755.80-52,715.20

Finding the Fourth Proportional to 65,837.20, 98,755.80 and 52,715.20

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Solution

The fourth proportional to 65,837.20, 98,755.80 and 52,715.20 is: 79,072.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,837.20 : 98,755.80 = 52,715.20 : x
  2. Step 2: Convert to fraction form
    65,837.20/98,755.80 = 52,715.20/x
  3. Step 3: Cross multiply
    65,837.20x = 98,755.80 × 52,715.20
  4. Step 4: Simplify right side
    65,837.20x = 5,205,931,748.16
  5. Step 5: Solve for x
    x = 5,205,931,748.16/65,837.20
  6. Step 6: Final answer
    x = 79,072.80

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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.