Home / 80,564.60-111,154.05-46,560.71

Finding the Fourth Proportional to 80,564.60, 111,154.05 and 46,560.71

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Solution

The fourth proportional to 80,564.60, 111,154.05 and 46,560.71 is: 64,239.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,564.60 : 111,154.05 = 46,560.71 : x
  2. Step 2: Convert to fraction form
    80,564.60/111,154.05 = 46,560.71/x
  3. Step 3: Cross multiply
    80,564.60x = 111,154.05 × 46,560.71
  4. Step 4: Simplify right side
    80,564.60x = 5,175,410,931.61
  5. Step 5: Solve for x
    x = 5,175,410,931.61/80,564.60
  6. Step 6: Final answer
    x = 64,239.27

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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.