Home / 52,469.90-78,715.78-17,407.02

Finding the Fourth Proportional to 52,469.90, 78,715.78 and 17,407.02

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Solution

The fourth proportional to 52,469.90, 78,715.78 and 17,407.02 is: 26,114.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,469.90 : 78,715.78 = 17,407.02 : x
  2. Step 2: Convert to fraction form
    52,469.90/78,715.78 = 17,407.02/x
  3. Step 3: Cross multiply
    52,469.90x = 78,715.78 × 17,407.02
  4. Step 4: Simplify right side
    52,469.90x = 1,370,207,156.78
  5. Step 5: Solve for x
    x = 1,370,207,156.78/52,469.90
  6. Step 6: Final answer
    x = 26,114.16

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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.