Home / 72,240.49-99,699.38-41,614.65

Finding the Fourth Proportional to 72,240.49, 99,699.38 and 41,614.65

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Solution

The fourth proportional to 72,240.49, 99,699.38 and 41,614.65 is: 57,432.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,240.49 : 99,699.38 = 41,614.65 : x
  2. Step 2: Convert to fraction form
    72,240.49/99,699.38 = 41,614.65/x
  3. Step 3: Cross multiply
    72,240.49x = 99,699.38 × 41,614.65
  4. Step 4: Simplify right side
    72,240.49x = 4,148,954,751.90
  5. Step 5: Solve for x
    x = 4,148,954,751.90/72,240.49
  6. Step 6: Final answer
    x = 57,432.54

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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.