Home / 124,838.36-187,275.30-40,571.42

Finding the Fourth Proportional to 124,838.36, 187,275.30 and 40,571.42

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Solution

The fourth proportional to 124,838.36, 187,275.30 and 40,571.42 is: 60,862.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,838.36 : 187,275.30 = 40,571.42 : x
  2. Step 2: Convert to fraction form
    124,838.36/187,275.30 = 40,571.42/x
  3. Step 3: Cross multiply
    124,838.36x = 187,275.30 × 40,571.42
  4. Step 4: Simplify right side
    124,838.36x = 7,598,025,320.11
  5. Step 5: Solve for x
    x = 7,598,025,320.11/124,838.36
  6. Step 6: Final answer
    x = 60,862.91

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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.