Home / 70,031.46-96,642.28-38,199.66

Finding the Fourth Proportional to 70,031.46, 96,642.28 and 38,199.66

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Solution

The fourth proportional to 70,031.46, 96,642.28 and 38,199.66 is: 52,714.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,031.46 : 96,642.28 = 38,199.66 : x
  2. Step 2: Convert to fraction form
    70,031.46/96,642.28 = 38,199.66/x
  3. Step 3: Cross multiply
    70,031.46x = 96,642.28 × 38,199.66
  4. Step 4: Simplify right side
    70,031.46x = 3,691,702,237.62
  5. Step 5: Solve for x
    x = 3,691,702,237.62/70,031.46
  6. Step 6: Final answer
    x = 52,714.91

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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.