Home / 89,873.19-134,892.54-45,530.82

Finding the Fourth Proportional to 89,873.19, 134,892.54 and 45,530.82

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Solution

The fourth proportional to 89,873.19, 134,892.54 and 45,530.82 is: 68,338.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,873.19 : 134,892.54 = 45,530.82 : x
  2. Step 2: Convert to fraction form
    89,873.19/134,892.54 = 45,530.82/x
  3. Step 3: Cross multiply
    89,873.19x = 134,892.54 × 45,530.82
  4. Step 4: Simplify right side
    89,873.19x = 6,141,767,958.08
  5. Step 5: Solve for x
    x = 6,141,767,958.08/89,873.19
  6. Step 6: Final answer
    x = 68,338.15

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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.