Home / 89,057.75-133,635.78-49,637.07

Finding the Fourth Proportional to 89,057.75, 133,635.78 and 49,637.07

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Solution

The fourth proportional to 89,057.75, 133,635.78 and 49,637.07 is: 74,483.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,057.75 : 133,635.78 = 49,637.07 : x
  2. Step 2: Convert to fraction form
    89,057.75/133,635.78 = 49,637.07/x
  3. Step 3: Cross multiply
    89,057.75x = 133,635.78 × 49,637.07
  4. Step 4: Simplify right side
    89,057.75x = 6,633,288,566.36
  5. Step 5: Solve for x
    x = 6,633,288,566.36/89,057.75
  6. Step 6: Final answer
    x = 74,483.01

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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.