Home / 70,542.55-97,351.52-38,712.58

Finding the Fourth Proportional to 70,542.55, 97,351.52 and 38,712.58

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Solution

The fourth proportional to 70,542.55, 97,351.52 and 38,712.58 is: 53,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,542.55 : 97,351.52 = 38,712.58 : x
  2. Step 2: Convert to fraction form
    70,542.55/97,351.52 = 38,712.58/x
  3. Step 3: Cross multiply
    70,542.55x = 97,351.52 × 38,712.58
  4. Step 4: Simplify right side
    70,542.55x = 3,768,728,506.12
  5. Step 5: Solve for x
    x = 3,768,728,506.12/70,542.55
  6. Step 6: Final answer
    x = 53,424.90

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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.