Home / 48,734.76-72,729.09-43,485.48

Finding the Fourth Proportional to 48,734.76, 72,729.09 and 43,485.48

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Solution

The fourth proportional to 48,734.76, 72,729.09 and 43,485.48 is: 64,895.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,734.76 : 72,729.09 = 43,485.48 : x
  2. Step 2: Convert to fraction form
    48,734.76/72,729.09 = 43,485.48/x
  3. Step 3: Cross multiply
    48,734.76x = 72,729.09 × 43,485.48
  4. Step 4: Simplify right side
    48,734.76x = 3,162,659,388.61
  5. Step 5: Solve for x
    x = 3,162,659,388.61/48,734.76
  6. Step 6: Final answer
    x = 64,895.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.