Home / 71,103.77-98,122.62-38,838.41

Finding the Fourth Proportional to 71,103.77, 98,122.62 and 38,838.41

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Solution

The fourth proportional to 71,103.77, 98,122.62 and 38,838.41 is: 53,596.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,103.77 : 98,122.62 = 38,838.41 : x
  2. Step 2: Convert to fraction form
    71,103.77/98,122.62 = 38,838.41/x
  3. Step 3: Cross multiply
    71,103.77x = 98,122.62 × 38,838.41
  4. Step 4: Simplify right side
    71,103.77x = 3,810,926,545.83
  5. Step 5: Solve for x
    x = 3,810,926,545.83/71,103.77
  6. Step 6: Final answer
    x = 53,596.69

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1.5x scale

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.