Home / 72,332.46-99,816.75-40,504.14

Finding the Fourth Proportional to 72,332.46, 99,816.75 and 40,504.14

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Solution

The fourth proportional to 72,332.46, 99,816.75 and 40,504.14 is: 55,894.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,332.46 : 99,816.75 = 40,504.14 : x
  2. Step 2: Convert to fraction form
    72,332.46/99,816.75 = 40,504.14/x
  3. Step 3: Cross multiply
    72,332.46x = 99,816.75 × 40,504.14
  4. Step 4: Simplify right side
    72,332.46x = 4,042,991,616.35
  5. Step 5: Solve for x
    x = 4,042,991,616.35/72,332.46
  6. Step 6: Final answer
    x = 55,894.57

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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.