Home / 52,550.40-78,825.60-50,275.20

Finding the Fourth Proportional to 52,550.40, 78,825.60 and 50,275.20

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Solution

The fourth proportional to 52,550.40, 78,825.60 and 50,275.20 is: 75,412.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,550.40 : 78,825.60 = 50,275.20 : x
  2. Step 2: Convert to fraction form
    52,550.40/78,825.60 = 50,275.20/x
  3. Step 3: Cross multiply
    52,550.40x = 78,825.60 × 50,275.20
  4. Step 4: Simplify right side
    52,550.40x = 3,962,972,805.12
  5. Step 5: Solve for x
    x = 3,962,972,805.12/52,550.40
  6. Step 6: Final answer
    x = 75,412.80

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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.