Home / 52,597.20-78,944.40-26,320.80

Finding the Fourth Proportional to 52,597.20, 78,944.40 and 26,320.80

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Solution

The fourth proportional to 52,597.20, 78,944.40 and 26,320.80 is: 39,505.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,597.20 : 78,944.40 = 26,320.80 : x
  2. Step 2: Convert to fraction form
    52,597.20/78,944.40 = 26,320.80/x
  3. Step 3: Cross multiply
    52,597.20x = 78,944.40 × 26,320.80
  4. Step 4: Simplify right side
    52,597.20x = 2,077,879,763.52
  5. Step 5: Solve for x
    x = 2,077,879,763.52/52,597.20
  6. Step 6: Final answer
    x = 39,505.52

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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.