Home / 83,154.24-124,623.36-63,360

Finding the Fourth Proportional to 83,154.24, 124,623.36 and 63,360

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Solution

The fourth proportional to 83,154.24, 124,623.36 and 63,360 is: 94,957.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,154.24 : 124,623.36 = 63,360 : x
  2. Step 2: Convert to fraction form
    83,154.24/124,623.36 = 63,360/x
  3. Step 3: Cross multiply
    83,154.24x = 124,623.36 × 63,360
  4. Step 4: Simplify right side
    83,154.24x = 7,896,136,089.60
  5. Step 5: Solve for x
    x = 7,896,136,089.60/83,154.24
  6. Step 6: Final answer
    x = 94,957.71

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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.