Home / 89,554.36-134,195.44-42,742.84

Finding the Fourth Proportional to 89,554.36, 134,195.44 and 42,742.84

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Solution

The fourth proportional to 89,554.36, 134,195.44 and 42,742.84 is: 64,049.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,554.36 : 134,195.44 = 42,742.84 : x
  2. Step 2: Convert to fraction form
    89,554.36/134,195.44 = 42,742.84/x
  3. Step 3: Cross multiply
    89,554.36x = 134,195.44 × 42,742.84
  4. Step 4: Simplify right side
    89,554.36x = 5,735,894,220.65
  5. Step 5: Solve for x
    x = 5,735,894,220.65/89,554.36
  6. Step 6: Final answer
    x = 64,049.30

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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.