Home / 66,311.38-99,468.09-36,916.05

Finding the Fourth Proportional to 66,311.38, 99,468.09 and 36,916.05

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Solution

The fourth proportional to 66,311.38, 99,468.09 and 36,916.05 is: 55,374.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,311.38 : 99,468.09 = 36,916.05 : x
  2. Step 2: Convert to fraction form
    66,311.38/99,468.09 = 36,916.05/x
  3. Step 3: Cross multiply
    66,311.38x = 99,468.09 × 36,916.05
  4. Step 4: Simplify right side
    66,311.38x = 3,671,968,983.84
  5. Step 5: Solve for x
    x = 3,671,968,983.84/66,311.38
  6. Step 6: Final answer
    x = 55,374.64

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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.