Home / 62,947.20-94,651.20-52,809.60

Finding the Fourth Proportional to 62,947.20, 94,651.20 and 52,809.60

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Solution

The fourth proportional to 62,947.20, 94,651.20 and 52,809.60 is: 79,407.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,947.20 : 94,651.20 = 52,809.60 : x
  2. Step 2: Convert to fraction form
    62,947.20/94,651.20 = 52,809.60/x
  3. Step 3: Cross multiply
    62,947.20x = 94,651.20 × 52,809.60
  4. Step 4: Simplify right side
    62,947.20x = 4,998,492,011.52
  5. Step 5: Solve for x
    x = 4,998,492,011.52/62,947.20
  6. Step 6: Final answer
    x = 79,407.69

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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.