Home / 52,112.88-78,140.16-17,043.12

Finding the Fourth Proportional to 52,112.88, 78,140.16 and 17,043.12

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Solution

The fourth proportional to 52,112.88, 78,140.16 and 17,043.12 is: 25,555.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,112.88 : 78,140.16 = 17,043.12 : x
  2. Step 2: Convert to fraction form
    52,112.88/78,140.16 = 17,043.12/x
  3. Step 3: Cross multiply
    52,112.88x = 78,140.16 × 17,043.12
  4. Step 4: Simplify right side
    52,112.88x = 1,331,752,123.70
  5. Step 5: Solve for x
    x = 1,331,752,123.70/52,112.88
  6. Step 6: Final answer
    x = 25,555.14

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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.