Home / 89,693.66-134,571.51-39,808.69

Finding the Fourth Proportional to 89,693.66, 134,571.51 and 39,808.69

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Solution

The fourth proportional to 89,693.66, 134,571.51 and 39,808.69 is: 59,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,693.66 : 134,571.51 = 39,808.69 : x
  2. Step 2: Convert to fraction form
    89,693.66/134,571.51 = 39,808.69/x
  3. Step 3: Cross multiply
    89,693.66x = 134,571.51 × 39,808.69
  4. Step 4: Simplify right side
    89,693.66x = 5,357,115,187.99
  5. Step 5: Solve for x
    x = 5,357,115,187.99/89,693.66
  6. Step 6: Final answer
    x = 59,726.80

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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.