Home / 65,293.16-97,877.61-20,891.28

Finding the Fourth Proportional to 65,293.16, 97,877.61 and 20,891.28

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Solution

The fourth proportional to 65,293.16, 97,877.61 and 20,891.28 is: 31,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,293.16 : 97,877.61 = 20,891.28 : x
  2. Step 2: Convert to fraction form
    65,293.16/97,877.61 = 20,891.28/x
  3. Step 3: Cross multiply
    65,293.16x = 97,877.61 × 20,891.28
  4. Step 4: Simplify right side
    65,293.16x = 2,044,788,556.24
  5. Step 5: Solve for x
    x = 2,044,788,556.24/65,293.16
  6. Step 6: Final answer
    x = 31,317.04

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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.