Home / 63,229.09-87,256.20-34,934.78

Finding the Fourth Proportional to 63,229.09, 87,256.20 and 34,934.78

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Solution

The fourth proportional to 63,229.09, 87,256.20 and 34,934.78 is: 48,210.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,229.09 : 87,256.20 = 34,934.78 : x
  2. Step 2: Convert to fraction form
    63,229.09/87,256.20 = 34,934.78/x
  3. Step 3: Cross multiply
    63,229.09x = 87,256.20 × 34,934.78
  4. Step 4: Simplify right side
    63,229.09x = 3,048,276,150.64
  5. Step 5: Solve for x
    x = 3,048,276,150.64/63,229.09
  6. Step 6: Final answer
    x = 48,210.03

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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.