Home / 109,569.62-151,179.98-75,567.24

Finding the Fourth Proportional to 109,569.62, 151,179.98 and 75,567.24

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Solution

The fourth proportional to 109,569.62, 151,179.98 and 75,567.24 is: 104,264.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,569.62 : 151,179.98 = 75,567.24 : x
  2. Step 2: Convert to fraction form
    109,569.62/151,179.98 = 75,567.24/x
  3. Step 3: Cross multiply
    109,569.62x = 151,179.98 × 75,567.24
  4. Step 4: Simplify right side
    109,569.62x = 11,424,254,197.95
  5. Step 5: Solve for x
    x = 11,424,254,197.95/109,569.62
  6. Step 6: Final answer
    x = 104,264.79

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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.