Home / 89,877.06-134,815.62-30,713.28

Finding the Fourth Proportional to 89,877.06, 134,815.62 and 30,713.28

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Solution

The fourth proportional to 89,877.06, 134,815.62 and 30,713.28 is: 46,069.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,877.06 : 134,815.62 = 30,713.28 : x
  2. Step 2: Convert to fraction form
    89,877.06/134,815.62 = 30,713.28/x
  3. Step 3: Cross multiply
    89,877.06x = 134,815.62 × 30,713.28
  4. Step 4: Simplify right side
    89,877.06x = 4,140,629,885.43
  5. Step 5: Solve for x
    x = 4,140,629,885.43/89,877.06
  6. Step 6: Final answer
    x = 46,069.93

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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.