Home / 52,202.13-78,302.52-12,759.59

Finding the Fourth Proportional to 52,202.13, 78,302.52 and 12,759.59

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Solution

The fourth proportional to 52,202.13, 78,302.52 and 12,759.59 is: 19,139.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,202.13 : 78,302.52 = 12,759.59 : x
  2. Step 2: Convert to fraction form
    52,202.13/78,302.52 = 12,759.59/x
  3. Step 3: Cross multiply
    52,202.13x = 78,302.52 × 12,759.59
  4. Step 4: Simplify right side
    52,202.13x = 999,107,659.65
  5. Step 5: Solve for x
    x = 999,107,659.65/52,202.13
  6. Step 6: Final answer
    x = 19,139.21

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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.