Home / 89,416.94-134,016.46-49,434.32

Finding the Fourth Proportional to 89,416.94, 134,016.46 and 49,434.32

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Solution

The fourth proportional to 89,416.94, 134,016.46 and 49,434.32 is: 74,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,416.94 : 134,016.46 = 49,434.32 : x
  2. Step 2: Convert to fraction form
    89,416.94/134,016.46 = 49,434.32/x
  3. Step 3: Cross multiply
    89,416.94x = 134,016.46 × 49,434.32
  4. Step 4: Simplify right side
    89,416.94x = 6,625,012,780.36
  5. Step 5: Solve for x
    x = 6,625,012,780.36/89,416.94
  6. Step 6: Final answer
    x = 74,091.25

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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.