Home / 65,717.90-98,576.85-54,637.10

Finding the Fourth Proportional to 65,717.90, 98,576.85 and 54,637.10

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Solution

The fourth proportional to 65,717.90, 98,576.85 and 54,637.10 is: 81,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,717.90 : 98,576.85 = 54,637.10 : x
  2. Step 2: Convert to fraction form
    65,717.90/98,576.85 = 54,637.10/x
  3. Step 3: Cross multiply
    65,717.90x = 98,576.85 × 54,637.10
  4. Step 4: Simplify right side
    65,717.90x = 5,385,953,211.14
  5. Step 5: Solve for x
    x = 5,385,953,211.14/65,717.90
  6. Step 6: Final answer
    x = 81,955.65

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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.