Home / 55,129.49-76,084.35-32,475.61

Finding the Fourth Proportional to 55,129.49, 76,084.35 and 32,475.61

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Solution

The fourth proportional to 55,129.49, 76,084.35 and 32,475.61 is: 44,819.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,129.49 : 76,084.35 = 32,475.61 : x
  2. Step 2: Convert to fraction form
    55,129.49/76,084.35 = 32,475.61/x
  3. Step 3: Cross multiply
    55,129.49x = 76,084.35 × 32,475.61
  4. Step 4: Simplify right side
    55,129.49x = 2,470,885,677.70
  5. Step 5: Solve for x
    x = 2,470,885,677.70/55,129.49
  6. Step 6: Final answer
    x = 44,819.67

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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.