Home / 65,657.26-98,477.64-18,275.90

Finding the Fourth Proportional to 65,657.26, 98,477.64 and 18,275.90

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Solution

The fourth proportional to 65,657.26, 98,477.64 and 18,275.90 is: 27,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,657.26 : 98,477.64 = 18,275.90 : x
  2. Step 2: Convert to fraction form
    65,657.26/98,477.64 = 18,275.90/x
  3. Step 3: Cross multiply
    65,657.26x = 98,477.64 × 18,275.90
  4. Step 4: Simplify right side
    65,657.26x = 1,799,767,500.88
  5. Step 5: Solve for x
    x = 1,799,767,500.88/65,657.26
  6. Step 6: Final answer
    x = 27,411.55

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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.