Home / 73,102.10-109,480.35-49,601.30

Finding the Fourth Proportional to 73,102.10, 109,480.35 and 49,601.30

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Solution

The fourth proportional to 73,102.10, 109,480.35 and 49,601.30 is: 74,284.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,102.10 : 109,480.35 = 49,601.30 : x
  2. Step 2: Convert to fraction form
    73,102.10/109,480.35 = 49,601.30/x
  3. Step 3: Cross multiply
    73,102.10x = 109,480.35 × 49,601.30
  4. Step 4: Simplify right side
    73,102.10x = 5,430,367,684.46
  5. Step 5: Solve for x
    x = 5,430,367,684.46/73,102.10
  6. Step 6: Final answer
    x = 74,284.70

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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.