Home / 52,244.80-78,372.68-17,187.20

Finding the Fourth Proportional to 52,244.80, 78,372.68 and 17,187.20

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Solution

The fourth proportional to 52,244.80, 78,372.68 and 17,187.20 is: 25,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,244.80 : 78,372.68 = 17,187.20 : x
  2. Step 2: Convert to fraction form
    52,244.80/78,372.68 = 17,187.20/x
  3. Step 3: Cross multiply
    52,244.80x = 78,372.68 × 17,187.20
  4. Step 4: Simplify right side
    52,244.80x = 1,347,006,925.70
  5. Step 5: Solve for x
    x = 1,347,006,925.70/52,244.80
  6. Step 6: Final answer
    x = 25,782.60

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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.