Home / 89,808.48-134,711.64-30,685.50

Finding the Fourth Proportional to 89,808.48, 134,711.64 and 30,685.50

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Solution

The fourth proportional to 89,808.48, 134,711.64 and 30,685.50 is: 46,027.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,808.48 : 134,711.64 = 30,685.50 : x
  2. Step 2: Convert to fraction form
    89,808.48/134,711.64 = 30,685.50/x
  3. Step 3: Cross multiply
    89,808.48x = 134,711.64 × 30,685.50
  4. Step 4: Simplify right side
    89,808.48x = 4,133,694,029.22
  5. Step 5: Solve for x
    x = 4,133,694,029.22/89,808.48
  6. Step 6: Final answer
    x = 46,027.88

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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.