Home / 72,332.19-108,366.93-70,757.55

Finding the Fourth Proportional to 72,332.19, 108,366.93 and 70,757.55

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Solution

The fourth proportional to 72,332.19, 108,366.93 and 70,757.55 is: 106,007.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,332.19 : 108,366.93 = 70,757.55 : x
  2. Step 2: Convert to fraction form
    72,332.19/108,366.93 = 70,757.55/x
  3. Step 3: Cross multiply
    72,332.19x = 108,366.93 × 70,757.55
  4. Step 4: Simplify right side
    72,332.19x = 7,667,778,467.82
  5. Step 5: Solve for x
    x = 7,667,778,467.82/72,332.19
  6. Step 6: Final answer
    x = 106,007.83

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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.