Home / 70,542.52-97,351.48-38,712.56

Finding the Fourth Proportional to 70,542.52, 97,351.48 and 38,712.56

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Solution

The fourth proportional to 70,542.52, 97,351.48 and 38,712.56 is: 53,424.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,542.52 : 97,351.48 = 38,712.56 : x
  2. Step 2: Convert to fraction form
    70,542.52/97,351.48 = 38,712.56/x
  3. Step 3: Cross multiply
    70,542.52x = 97,351.48 × 38,712.56
  4. Step 4: Simplify right side
    70,542.52x = 3,768,724,427.05
  5. Step 5: Solve for x
    x = 3,768,724,427.05/70,542.52
  6. Step 6: Final answer
    x = 53,424.86

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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.