Home / 70,280.10-96,987.24-38,450.34

Finding the Fourth Proportional to 70,280.10, 96,987.24 and 38,450.34

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Solution

The fourth proportional to 70,280.10, 96,987.24 and 38,450.34 is: 53,061.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,280.10 : 96,987.24 = 38,450.34 : x
  2. Step 2: Convert to fraction form
    70,280.10/96,987.24 = 38,450.34/x
  3. Step 3: Cross multiply
    70,280.10x = 96,987.24 × 38,450.34
  4. Step 4: Simplify right side
    70,280.10x = 3,729,192,353.66
  5. Step 5: Solve for x
    x = 3,729,192,353.66/70,280.10
  6. Step 6: Final answer
    x = 53,061.85

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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.