Home / 70,438.21-97,207.17-38,606.83

Finding the Fourth Proportional to 70,438.21, 97,207.17 and 38,606.83

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Solution

The fourth proportional to 70,438.21, 97,207.17 and 38,606.83 is: 53,278.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,438.21 : 97,207.17 = 38,606.83 : x
  2. Step 2: Convert to fraction form
    70,438.21/97,207.17 = 38,606.83/x
  3. Step 3: Cross multiply
    70,438.21x = 97,207.17 × 38,606.83
  4. Step 4: Simplify right side
    70,438.21x = 3,752,860,686.97
  5. Step 5: Solve for x
    x = 3,752,860,686.97/70,438.21
  6. Step 6: Final answer
    x = 53,278.76

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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.