Home / 65,589.04-98,387.88-18,842.32

Finding the Fourth Proportional to 65,589.04, 98,387.88 and 18,842.32

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Solution

The fourth proportional to 65,589.04, 98,387.88 and 18,842.32 is: 28,264.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,589.04 : 98,387.88 = 18,842.32 : x
  2. Step 2: Convert to fraction form
    65,589.04/98,387.88 = 18,842.32/x
  3. Step 3: Cross multiply
    65,589.04x = 98,387.88 × 18,842.32
  4. Step 4: Simplify right side
    65,589.04x = 1,853,855,919.08
  5. Step 5: Solve for x
    x = 1,853,855,919.08/65,589.04
  6. Step 6: Final answer
    x = 28,264.72

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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.