Home / 89,204.22-133,763.91-51,775.76

Finding the Fourth Proportional to 89,204.22, 133,763.91 and 51,775.76

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Solution

The fourth proportional to 89,204.22, 133,763.91 and 51,775.76 is: 77,639.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,204.22 : 133,763.91 = 51,775.76 : x
  2. Step 2: Convert to fraction form
    89,204.22/133,763.91 = 51,775.76/x
  3. Step 3: Cross multiply
    89,204.22x = 133,763.91 × 51,775.76
  4. Step 4: Simplify right side
    89,204.22x = 6,925,727,432.00
  5. Step 5: Solve for x
    x = 6,925,727,432.00/89,204.22
  6. Step 6: Final answer
    x = 77,639.01

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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.