Home / 65,405.48-98,122.46-25,961.72

Finding the Fourth Proportional to 65,405.48, 98,122.46 and 25,961.72

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Solution

The fourth proportional to 65,405.48, 98,122.46 and 25,961.72 is: 38,948.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,405.48 : 98,122.46 = 25,961.72 : x
  2. Step 2: Convert to fraction form
    65,405.48/98,122.46 = 25,961.72/x
  3. Step 3: Cross multiply
    65,405.48x = 98,122.46 × 25,961.72
  4. Step 4: Simplify right side
    65,405.48x = 2,547,427,211.81
  5. Step 5: Solve for x
    x = 2,547,427,211.81/65,405.48
  6. Step 6: Final answer
    x = 38,948.23

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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.