Home / 63,939.71-88,238.94-34,869.68

Finding the Fourth Proportional to 63,939.71, 88,238.94 and 34,869.68

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Solution

The fourth proportional to 63,939.71, 88,238.94 and 34,869.68 is: 48,121.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,939.71 : 88,238.94 = 34,869.68 : x
  2. Step 2: Convert to fraction form
    63,939.71/88,238.94 = 34,869.68/x
  3. Step 3: Cross multiply
    63,939.71x = 88,238.94 × 34,869.68
  4. Step 4: Simplify right side
    63,939.71x = 3,076,863,160.14
  5. Step 5: Solve for x
    x = 3,076,863,160.14/63,939.71
  6. Step 6: Final answer
    x = 48,121.32

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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.