Home / 64,112.25-88,478.29-38,626.63

Finding the Fourth Proportional to 64,112.25, 88,478.29 and 38,626.63

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Solution

The fourth proportional to 64,112.25, 88,478.29 and 38,626.63 is: 53,306.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,112.25 : 88,478.29 = 38,626.63 : x
  2. Step 2: Convert to fraction form
    64,112.25/88,478.29 = 38,626.63/x
  3. Step 3: Cross multiply
    64,112.25x = 88,478.29 × 38,626.63
  4. Step 4: Simplify right side
    64,112.25x = 3,417,618,170.86
  5. Step 5: Solve for x
    x = 3,417,618,170.86/64,112.25
  6. Step 6: Final answer
    x = 53,306.79

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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.