Home / 66,237.34-99,399.78-31,187.02

Finding the Fourth Proportional to 66,237.34, 99,399.78 and 31,187.02

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Solution

The fourth proportional to 66,237.34, 99,399.78 and 31,187.02 is: 46,801.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,237.34 : 99,399.78 = 31,187.02 : x
  2. Step 2: Convert to fraction form
    66,237.34/99,399.78 = 31,187.02/x
  3. Step 3: Cross multiply
    66,237.34x = 99,399.78 × 31,187.02
  4. Step 4: Simplify right side
    66,237.34x = 3,099,982,926.86
  5. Step 5: Solve for x
    x = 3,099,982,926.86/66,237.34
  6. Step 6: Final answer
    x = 46,801.14

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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.