Home / 67,685.52-101,417.31-47,928.62

Finding the Fourth Proportional to 67,685.52, 101,417.31 and 47,928.62

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Solution

The fourth proportional to 67,685.52, 101,417.31 and 47,928.62 is: 71,814.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,685.52 : 101,417.31 = 47,928.62 : x
  2. Step 2: Convert to fraction form
    67,685.52/101,417.31 = 47,928.62/x
  3. Step 3: Cross multiply
    67,685.52x = 101,417.31 × 47,928.62
  4. Step 4: Simplify right side
    67,685.52x = 4,860,791,205.33
  5. Step 5: Solve for x
    x = 4,860,791,205.33/67,685.52
  6. Step 6: Final answer
    x = 71,814.34

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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.