Home / 71,834.85-99,133.07-40,004.55

Finding the Fourth Proportional to 71,834.85, 99,133.07 and 40,004.55

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Solution

The fourth proportional to 71,834.85, 99,133.07 and 40,004.55 is: 55,206.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,834.85 : 99,133.07 = 40,004.55 : x
  2. Step 2: Convert to fraction form
    71,834.85/99,133.07 = 40,004.55/x
  3. Step 3: Cross multiply
    71,834.85x = 99,133.07 × 40,004.55
  4. Step 4: Simplify right side
    71,834.85x = 3,965,773,655.45
  5. Step 5: Solve for x
    x = 3,965,773,655.45/71,834.85
  6. Step 6: Final answer
    x = 55,206.82

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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.