Home / 67,705.20-93,335.81-47,499.48

Finding the Fourth Proportional to 67,705.20, 93,335.81 and 47,499.48

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Solution

The fourth proportional to 67,705.20, 93,335.81 and 47,499.48 is: 65,480.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,705.20 : 93,335.81 = 47,499.48 : x
  2. Step 2: Convert to fraction form
    67,705.20/93,335.81 = 47,499.48/x
  3. Step 3: Cross multiply
    67,705.20x = 93,335.81 × 47,499.48
  4. Step 4: Simplify right side
    67,705.20x = 4,433,402,202.88
  5. Step 5: Solve for x
    x = 4,433,402,202.88/67,705.20
  6. Step 6: Final answer
    x = 65,480.97

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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.