Home / 70,455.72-97,231.14-38,624.34

Finding the Fourth Proportional to 70,455.72, 97,231.14 and 38,624.34

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Solution

The fourth proportional to 70,455.72, 97,231.14 and 38,624.34 is: 53,302.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,455.72 : 97,231.14 = 38,624.34 : x
  2. Step 2: Convert to fraction form
    70,455.72/97,231.14 = 38,624.34/x
  3. Step 3: Cross multiply
    70,455.72x = 97,231.14 × 38,624.34
  4. Step 4: Simplify right side
    70,455.72x = 3,755,488,609.95
  5. Step 5: Solve for x
    x = 3,755,488,609.95/70,455.72
  6. Step 6: Final answer
    x = 53,302.82

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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.