Home / 64,261.20-88,685.52-47,342.80

Finding the Fourth Proportional to 64,261.20, 88,685.52 and 47,342.80

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Solution

The fourth proportional to 64,261.20, 88,685.52 and 47,342.80 is: 65,336.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,261.20 : 88,685.52 = 47,342.80 : x
  2. Step 2: Convert to fraction form
    64,261.20/88,685.52 = 47,342.80/x
  3. Step 3: Cross multiply
    64,261.20x = 88,685.52 × 47,342.80
  4. Step 4: Simplify right side
    64,261.20x = 4,198,620,836.26
  5. Step 5: Solve for x
    x = 4,198,620,836.26/64,261.20
  6. Step 6: Final answer
    x = 65,336.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.