Home / 89,072.76-133,623.66-42,309.84

Finding the Fourth Proportional to 89,072.76, 133,623.66 and 42,309.84

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Solution

The fourth proportional to 89,072.76, 133,623.66 and 42,309.84 is: 63,471.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,072.76 : 133,623.66 = 42,309.84 : x
  2. Step 2: Convert to fraction form
    89,072.76/133,623.66 = 42,309.84/x
  3. Step 3: Cross multiply
    89,072.76x = 133,623.66 × 42,309.84
  4. Step 4: Simplify right side
    89,072.76x = 5,653,595,674.81
  5. Step 5: Solve for x
    x = 5,653,595,674.81/89,072.76
  6. Step 6: Final answer
    x = 63,471.66

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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.