Home / 89,865.97-134,814.81-30,687.77

Finding the Fourth Proportional to 89,865.97, 134,814.81 and 30,687.77

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Solution

The fourth proportional to 89,865.97, 134,814.81 and 30,687.77 is: 46,037.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,865.97 : 134,814.81 = 30,687.77 : x
  2. Step 2: Convert to fraction form
    89,865.97/134,814.81 = 30,687.77/x
  3. Step 3: Cross multiply
    89,865.97x = 134,814.81 × 30,687.77
  4. Step 4: Simplify right side
    89,865.97x = 4,137,165,881.87
  5. Step 5: Solve for x
    x = 4,137,165,881.87/89,865.97
  6. Step 6: Final answer
    x = 46,037.07

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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.