Home / 66,031.10-98,821.42-42,003.26

Finding the Fourth Proportional to 66,031.10, 98,821.42 and 42,003.26

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Solution

The fourth proportional to 66,031.10, 98,821.42 and 42,003.26 is: 62,861.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,031.10 : 98,821.42 = 42,003.26 : x
  2. Step 2: Convert to fraction form
    66,031.10/98,821.42 = 42,003.26/x
  3. Step 3: Cross multiply
    66,031.10x = 98,821.42 × 42,003.26
  4. Step 4: Simplify right side
    66,031.10x = 4,150,821,569.29
  5. Step 5: Solve for x
    x = 4,150,821,569.29/66,031.10
  6. Step 6: Final answer
    x = 62,861.62

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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.