Home / 70,403.25-97,156.55-38,572.29

Finding the Fourth Proportional to 70,403.25, 97,156.55 and 38,572.29

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Solution

The fourth proportional to 70,403.25, 97,156.55 and 38,572.29 is: 53,229.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,403.25 : 97,156.55 = 38,572.29 : x
  2. Step 2: Convert to fraction form
    70,403.25/97,156.55 = 38,572.29/x
  3. Step 3: Cross multiply
    70,403.25x = 97,156.55 × 38,572.29
  4. Step 4: Simplify right side
    70,403.25x = 3,747,550,429.14
  5. Step 5: Solve for x
    x = 3,747,550,429.14/70,403.25
  6. Step 6: Final answer
    x = 53,229.79

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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.