Home / 52,288.12-78,437.04-17,228.08

Finding the Fourth Proportional to 52,288.12, 78,437.04 and 17,228.08

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Solution

The fourth proportional to 52,288.12, 78,437.04 and 17,228.08 is: 25,843.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,288.12 : 78,437.04 = 17,228.08 : x
  2. Step 2: Convert to fraction form
    52,288.12/78,437.04 = 17,228.08/x
  3. Step 3: Cross multiply
    52,288.12x = 78,437.04 × 17,228.08
  4. Step 4: Simplify right side
    52,288.12x = 1,351,319,600.08
  5. Step 5: Solve for x
    x = 1,351,319,600.08/52,288.12
  6. Step 6: Final answer
    x = 25,843.72

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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.