Home / 70,270.72-96,972.33-38,439.34

Finding the Fourth Proportional to 70,270.72, 96,972.33 and 38,439.34

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Solution

The fourth proportional to 70,270.72, 96,972.33 and 38,439.34 is: 53,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,270.72 : 96,972.33 = 38,439.34 : x
  2. Step 2: Convert to fraction form
    70,270.72/96,972.33 = 38,439.34/x
  3. Step 3: Cross multiply
    70,270.72x = 96,972.33 × 38,439.34
  4. Step 4: Simplify right side
    70,270.72x = 3,727,552,363.46
  5. Step 5: Solve for x
    x = 3,727,552,363.46/70,270.72
  6. Step 6: Final answer
    x = 53,045.60

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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.