Home / 70,343.12-97,073.79-38,514.98

Finding the Fourth Proportional to 70,343.12, 97,073.79 and 38,514.98

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Solution

The fourth proportional to 70,343.12, 97,073.79 and 38,514.98 is: 53,150.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,343.12 : 97,073.79 = 38,514.98 : x
  2. Step 2: Convert to fraction form
    70,343.12/97,073.79 = 38,514.98/x
  3. Step 3: Cross multiply
    70,343.12x = 97,073.79 × 38,514.98
  4. Step 4: Simplify right side
    70,343.12x = 3,738,795,080.37
  5. Step 5: Solve for x
    x = 3,738,795,080.37/70,343.12
  6. Step 6: Final answer
    x = 53,150.83

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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.