Home / 72,836.48-100,500-41,006.72

Finding the Fourth Proportional to 72,836.48, 100,500 and 41,006.72

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Solution

The fourth proportional to 72,836.48, 100,500 and 41,006.72 is: 56,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,836.48 : 100,500 = 41,006.72 : x
  2. Step 2: Convert to fraction form
    72,836.48/100,500 = 41,006.72/x
  3. Step 3: Cross multiply
    72,836.48x = 100,500 × 41,006.72
  4. Step 4: Simplify right side
    72,836.48x = 4,121,175,360
  5. Step 5: Solve for x
    x = 4,121,175,360/72,836.48
  6. Step 6: Final answer
    x = 56,581.20

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1.5x scale

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.