Home / 75,698.32-104,455.72-43,877.20

Finding the Fourth Proportional to 75,698.32, 104,455.72 and 43,877.20

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Solution

The fourth proportional to 75,698.32, 104,455.72 and 43,877.20 is: 60,545.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,698.32 : 104,455.72 = 43,877.20 : x
  2. Step 2: Convert to fraction form
    75,698.32/104,455.72 = 43,877.20/x
  3. Step 3: Cross multiply
    75,698.32x = 104,455.72 × 43,877.20
  4. Step 4: Simplify right side
    75,698.32x = 4,583,224,517.58
  5. Step 5: Solve for x
    x = 4,583,224,517.58/75,698.32
  6. Step 6: Final answer
    x = 60,545.92

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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.