Home / 72,030.25-99,402.65-41,816.85

Finding the Fourth Proportional to 72,030.25, 99,402.65 and 41,816.85

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Solution

The fourth proportional to 72,030.25, 99,402.65 and 41,816.85 is: 57,707.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,030.25 : 99,402.65 = 41,816.85 : x
  2. Step 2: Convert to fraction form
    72,030.25/99,402.65 = 41,816.85/x
  3. Step 3: Cross multiply
    72,030.25x = 99,402.65 × 41,816.85
  4. Step 4: Simplify right side
    72,030.25x = 4,156,705,704.65
  5. Step 5: Solve for x
    x = 4,156,705,704.65/72,030.25
  6. Step 6: Final answer
    x = 57,707.78

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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.