Home / 70,042.42-96,658.80-38,211.98

Finding the Fourth Proportional to 70,042.42, 96,658.80 and 38,211.98

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Solution

The fourth proportional to 70,042.42, 96,658.80 and 38,211.98 is: 52,732.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,042.42 : 96,658.80 = 38,211.98 : x
  2. Step 2: Convert to fraction form
    70,042.42/96,658.80 = 38,211.98/x
  3. Step 3: Cross multiply
    70,042.42x = 96,658.80 × 38,211.98
  4. Step 4: Simplify right side
    70,042.42x = 3,693,524,132.42
  5. Step 5: Solve for x
    x = 3,693,524,132.42/70,042.42
  6. Step 6: Final answer
    x = 52,732.67

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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.