Home / 52,209.90-78,314.85-17,141.10

Finding the Fourth Proportional to 52,209.90, 78,314.85 and 17,141.10

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Solution

The fourth proportional to 52,209.90, 78,314.85 and 17,141.10 is: 25,711.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,209.90 : 78,314.85 = 17,141.10 : x
  2. Step 2: Convert to fraction form
    52,209.90/78,314.85 = 17,141.10/x
  3. Step 3: Cross multiply
    52,209.90x = 78,314.85 × 17,141.10
  4. Step 4: Simplify right side
    52,209.90x = 1,342,402,675.34
  5. Step 5: Solve for x
    x = 1,342,402,675.34/52,209.90
  6. Step 6: Final answer
    x = 25,711.65

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1.5x scale

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.