Home / 66,644.54-99,917.43-40,343.06

Finding the Fourth Proportional to 66,644.54, 99,917.43 and 40,343.06

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Solution

The fourth proportional to 66,644.54, 99,917.43 and 40,343.06 is: 60,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,644.54 : 99,917.43 = 40,343.06 : x
  2. Step 2: Convert to fraction form
    66,644.54/99,917.43 = 40,343.06/x
  3. Step 3: Cross multiply
    66,644.54x = 99,917.43 × 40,343.06
  4. Step 4: Simplify right side
    66,644.54x = 4,030,974,873.54
  5. Step 5: Solve for x
    x = 4,030,974,873.54/66,644.54
  6. Step 6: Final answer
    x = 60,484.70

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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.