Home / 89,061.08-133,600.38-25,881.75

Finding the Fourth Proportional to 89,061.08, 133,600.38 and 25,881.75

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Solution

The fourth proportional to 89,061.08, 133,600.38 and 25,881.75 is: 38,825.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,061.08 : 133,600.38 = 25,881.75 : x
  2. Step 2: Convert to fraction form
    89,061.08/133,600.38 = 25,881.75/x
  3. Step 3: Cross multiply
    89,061.08x = 133,600.38 × 25,881.75
  4. Step 4: Simplify right side
    89,061.08x = 3,457,811,635.07
  5. Step 5: Solve for x
    x = 3,457,811,635.07/89,061.08
  6. Step 6: Final answer
    x = 38,825.17

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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.