Home / 65,711.19-98,568.72-25,728.51

Finding the Fourth Proportional to 65,711.19, 98,568.72 and 25,728.51

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Solution

The fourth proportional to 65,711.19, 98,568.72 and 25,728.51 is: 38,593.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,711.19 : 98,568.72 = 25,728.51 : x
  2. Step 2: Convert to fraction form
    65,711.19/98,568.72 = 25,728.51/x
  3. Step 3: Cross multiply
    65,711.19x = 98,568.72 × 25,728.51
  4. Step 4: Simplify right side
    65,711.19x = 2,536,026,298.21
  5. Step 5: Solve for x
    x = 2,536,026,298.21/65,711.19
  6. Step 6: Final answer
    x = 38,593.52

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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.