Home / 89,873.28-134,809.97-30,709.53

Finding the Fourth Proportional to 89,873.28, 134,809.97 and 30,709.53

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Solution

The fourth proportional to 89,873.28, 134,809.97 and 30,709.53 is: 46,064.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,873.28 : 134,809.97 = 30,709.53 : x
  2. Step 2: Convert to fraction form
    89,873.28/134,809.97 = 30,709.53/x
  3. Step 3: Cross multiply
    89,873.28x = 134,809.97 × 30,709.53
  4. Step 4: Simplify right side
    89,873.28x = 4,139,950,664.47
  5. Step 5: Solve for x
    x = 4,139,950,664.47/89,873.28
  6. Step 6: Final answer
    x = 46,064.31

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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.