Home / 65,906.13-90,957.83-37,616.61

Finding the Fourth Proportional to 65,906.13, 90,957.83 and 37,616.61

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Solution

The fourth proportional to 65,906.13, 90,957.83 and 37,616.61 is: 51,915.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,906.13 : 90,957.83 = 37,616.61 : x
  2. Step 2: Convert to fraction form
    65,906.13/90,957.83 = 37,616.61/x
  3. Step 3: Cross multiply
    65,906.13x = 90,957.83 × 37,616.61
  4. Step 4: Simplify right side
    65,906.13x = 3,421,525,029.47
  5. Step 5: Solve for x
    x = 3,421,525,029.47/65,906.13
  6. Step 6: Final answer
    x = 51,915.13

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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.