Home / 125,620.72-188,432.16-36,875.68

Finding the Fourth Proportional to 125,620.72, 188,432.16 and 36,875.68

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Solution

The fourth proportional to 125,620.72, 188,432.16 and 36,875.68 is: 55,313.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,620.72 : 188,432.16 = 36,875.68 : x
  2. Step 2: Convert to fraction form
    125,620.72/188,432.16 = 36,875.68/x
  3. Step 3: Cross multiply
    125,620.72x = 188,432.16 × 36,875.68
  4. Step 4: Simplify right side
    125,620.72x = 6,948,564,033.87
  5. Step 5: Solve for x
    x = 6,948,564,033.87/125,620.72
  6. Step 6: Final answer
    x = 55,313.84

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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.