Home / 89,647.94-134,409.66-39,700.82

Finding the Fourth Proportional to 89,647.94, 134,409.66 and 39,700.82

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Solution

The fourth proportional to 89,647.94, 134,409.66 and 39,700.82 is: 59,523.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,647.94 : 134,409.66 = 39,700.82 : x
  2. Step 2: Convert to fraction form
    89,647.94/134,409.66 = 39,700.82/x
  3. Step 3: Cross multiply
    89,647.94x = 134,409.66 × 39,700.82
  4. Step 4: Simplify right side
    89,647.94x = 5,336,173,717.92
  5. Step 5: Solve for x
    x = 5,336,173,717.92/89,647.94
  6. Step 6: Final answer
    x = 59,523.66

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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.