Home / 89,849.94-134,857.67-45,507.57

Finding the Fourth Proportional to 89,849.94, 134,857.67 and 45,507.57

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Solution

The fourth proportional to 89,849.94, 134,857.67 and 45,507.57 is: 68,303.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,849.94 : 134,857.67 = 45,507.57 : x
  2. Step 2: Convert to fraction form
    89,849.94/134,857.67 = 45,507.57/x
  3. Step 3: Cross multiply
    89,849.94x = 134,857.67 × 45,507.57
  4. Step 4: Simplify right side
    89,849.94x = 6,137,044,630.02
  5. Step 5: Solve for x
    x = 6,137,044,630.02/89,849.94
  6. Step 6: Final answer
    x = 68,303.27

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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.