Home / 67,320.96-100,869.84-40,945.92

Finding the Fourth Proportional to 67,320.96, 100,869.84 and 40,945.92

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Solution

The fourth proportional to 67,320.96, 100,869.84 and 40,945.92 is: 61,351.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,320.96 : 100,869.84 = 40,945.92 : x
  2. Step 2: Convert to fraction form
    67,320.96/100,869.84 = 40,945.92/x
  3. Step 3: Cross multiply
    67,320.96x = 100,869.84 × 40,945.92
  4. Step 4: Simplify right side
    67,320.96x = 4,130,208,399.05
  5. Step 5: Solve for x
    x = 4,130,208,399.05/67,320.96
  6. Step 6: Final answer
    x = 61,351.00

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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.