Home / 65,741.20-98,617.26-28,302.18

Finding the Fourth Proportional to 65,741.20, 98,617.26 and 28,302.18

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Solution

The fourth proportional to 65,741.20, 98,617.26 and 28,302.18 is: 42,455.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,741.20 : 98,617.26 = 28,302.18 : x
  2. Step 2: Convert to fraction form
    65,741.20/98,617.26 = 28,302.18/x
  3. Step 3: Cross multiply
    65,741.20x = 98,617.26 × 28,302.18
  4. Step 4: Simplify right side
    65,741.20x = 2,791,083,443.63
  5. Step 5: Solve for x
    x = 2,791,083,443.63/65,741.20
  6. Step 6: Final answer
    x = 42,455.62

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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.