Home / 89,858.28-134,764.34-26,663.45

Finding the Fourth Proportional to 89,858.28, 134,764.34 and 26,663.45

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Solution

The fourth proportional to 89,858.28, 134,764.34 and 26,663.45 is: 39,988.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,858.28 : 134,764.34 = 26,663.45 : x
  2. Step 2: Convert to fraction form
    89,858.28/134,764.34 = 26,663.45/x
  3. Step 3: Cross multiply
    89,858.28x = 134,764.34 × 26,663.45
  4. Step 4: Simplify right side
    89,858.28x = 3,593,282,241.37
  5. Step 5: Solve for x
    x = 3,593,282,241.37/89,858.28
  6. Step 6: Final answer
    x = 39,988.33

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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.