Home / 66,284.20-99,138.30-59,314.60

Finding the Fourth Proportional to 66,284.20, 99,138.30 and 59,314.60

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Solution

The fourth proportional to 66,284.20, 99,138.30 and 59,314.60 is: 88,714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,284.20 : 99,138.30 = 59,314.60 : x
  2. Step 2: Convert to fraction form
    66,284.20/99,138.30 = 59,314.60/x
  3. Step 3: Cross multiply
    66,284.20x = 99,138.30 × 59,314.60
  4. Step 4: Simplify right side
    66,284.20x = 5,880,348,609.18
  5. Step 5: Solve for x
    x = 5,880,348,609.18/66,284.20
  6. Step 6: Final answer
    x = 88,714.18

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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.