Home / 52,559.20-78,887.40-26,282.80

Finding the Fourth Proportional to 52,559.20, 78,887.40 and 26,282.80

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Solution

The fourth proportional to 52,559.20, 78,887.40 and 26,282.80 is: 39,448.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,559.20 : 78,887.40 = 26,282.80 : x
  2. Step 2: Convert to fraction form
    52,559.20/78,887.40 = 26,282.80/x
  3. Step 3: Cross multiply
    52,559.20x = 78,887.40 × 26,282.80
  4. Step 4: Simplify right side
    52,559.20x = 2,073,381,756.72
  5. Step 5: Solve for x
    x = 2,073,381,756.72/52,559.20
  6. Step 6: Final answer
    x = 39,448.50

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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.