Home / 70,542.94-97,350.57-38,712.98

Finding the Fourth Proportional to 70,542.94, 97,350.57 and 38,712.98

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Solution

The fourth proportional to 70,542.94, 97,350.57 and 38,712.98 is: 53,424.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,542.94 : 97,350.57 = 38,712.98 : x
  2. Step 2: Convert to fraction form
    70,542.94/97,350.57 = 38,712.98/x
  3. Step 3: Cross multiply
    70,542.94x = 97,350.57 × 38,712.98
  4. Step 4: Simplify right side
    70,542.94x = 3,768,729,989.08
  5. Step 5: Solve for x
    x = 3,768,729,989.08/70,542.94
  6. Step 6: Final answer
    x = 53,424.63

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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.