Home / 70,135.21-96,785.08-38,304.24

Finding the Fourth Proportional to 70,135.21, 96,785.08 and 38,304.24

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Solution

The fourth proportional to 70,135.21, 96,785.08 and 38,304.24 is: 52,859.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,135.21 : 96,785.08 = 38,304.24 : x
  2. Step 2: Convert to fraction form
    70,135.21/96,785.08 = 38,304.24/x
  3. Step 3: Cross multiply
    70,135.21x = 96,785.08 × 38,304.24
  4. Step 4: Simplify right side
    70,135.21x = 3,707,278,932.74
  5. Step 5: Solve for x
    x = 3,707,278,932.74/70,135.21
  6. Step 6: Final answer
    x = 52,859.03

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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.