Home / 125,837.37-173,654.28-71,399.57

Finding the Fourth Proportional to 125,837.37, 173,654.28 and 71,399.57

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Solution

The fourth proportional to 125,837.37, 173,654.28 and 71,399.57 is: 98,530.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,837.37 : 173,654.28 = 71,399.57 : x
  2. Step 2: Convert to fraction form
    125,837.37/173,654.28 = 71,399.57/x
  3. Step 3: Cross multiply
    125,837.37x = 173,654.28 × 71,399.57
  4. Step 4: Simplify right side
    125,837.37x = 12,398,840,052.39
  5. Step 5: Solve for x
    x = 12,398,840,052.39/125,837.37
  6. Step 6: Final answer
    x = 98,530.67

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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.