Home / 72,595.29-100,215.18-48,436.41

Finding the Fourth Proportional to 72,595.29, 100,215.18 and 48,436.41

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Solution

The fourth proportional to 72,595.29, 100,215.18 and 48,436.41 is: 66,864.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,595.29 : 100,215.18 = 48,436.41 : x
  2. Step 2: Convert to fraction form
    72,595.29/100,215.18 = 48,436.41/x
  3. Step 3: Cross multiply
    72,595.29x = 100,215.18 × 48,436.41
  4. Step 4: Simplify right side
    72,595.29x = 4,854,063,546.70
  5. Step 5: Solve for x
    x = 4,854,063,546.70/72,595.29
  6. Step 6: Final answer
    x = 66,864.72

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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.