Home / 125,867.67-188,802-50,989.23

Finding the Fourth Proportional to 125,867.67, 188,802 and 50,989.23

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Solution

The fourth proportional to 125,867.67, 188,802 and 50,989.23 is: 76,484.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,867.67 : 188,802 = 50,989.23 : x
  2. Step 2: Convert to fraction form
    125,867.67/188,802 = 50,989.23/x
  3. Step 3: Cross multiply
    125,867.67x = 188,802 × 50,989.23
  4. Step 4: Simplify right side
    125,867.67x = 9,626,868,602.46
  5. Step 5: Solve for x
    x = 9,626,868,602.46/125,867.67
  6. Step 6: Final answer
    x = 76,484.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.