Home / 97,648.11-134,753.22-57,365.55

Finding the Fourth Proportional to 97,648.11, 134,753.22 and 57,365.55

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Solution

The fourth proportional to 97,648.11, 134,753.22 and 57,365.55 is: 79,163.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,648.11 : 134,753.22 = 57,365.55 : x
  2. Step 2: Convert to fraction form
    97,648.11/134,753.22 = 57,365.55/x
  3. Step 3: Cross multiply
    97,648.11x = 134,753.22 × 57,365.55
  4. Step 4: Simplify right side
    97,648.11x = 7,730,192,579.57
  5. Step 5: Solve for x
    x = 7,730,192,579.57/97,648.11
  6. Step 6: Final answer
    x = 79,163.77

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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.