Home / 89,191.72-133,808.06-30,025.81

Finding the Fourth Proportional to 89,191.72, 133,808.06 and 30,025.81

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Solution

The fourth proportional to 89,191.72, 133,808.06 and 30,025.81 is: 45,045.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,191.72 : 133,808.06 = 30,025.81 : x
  2. Step 2: Convert to fraction form
    89,191.72/133,808.06 = 30,025.81/x
  3. Step 3: Cross multiply
    89,191.72x = 133,808.06 × 30,025.81
  4. Step 4: Simplify right side
    89,191.72x = 4,017,695,386.03
  5. Step 5: Solve for x
    x = 4,017,695,386.03/89,191.72
  6. Step 6: Final answer
    x = 45,045.61

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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.