Home / 98,943.30-148,512.15-49,079.70

Finding the Fourth Proportional to 98,943.30, 148,512.15 and 49,079.70

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Solution

The fourth proportional to 98,943.30, 148,512.15 and 49,079.70 is: 73,667.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,943.30 : 148,512.15 = 49,079.70 : x
  2. Step 2: Convert to fraction form
    98,943.30/148,512.15 = 49,079.70/x
  3. Step 3: Cross multiply
    98,943.30x = 148,512.15 × 49,079.70
  4. Step 4: Simplify right side
    98,943.30x = 7,288,931,768.36
  5. Step 5: Solve for x
    x = 7,288,931,768.36/98,943.30
  6. Step 6: Final answer
    x = 73,667.76

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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.