Home / 61,563.20-91,899.62-54,089.81

Finding the Fourth Proportional to 61,563.20, 91,899.62 and 54,089.81

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Solution

The fourth proportional to 61,563.20, 91,899.62 and 54,089.81 is: 80,743.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,563.20 : 91,899.62 = 54,089.81 : x
  2. Step 2: Convert to fraction form
    61,563.20/91,899.62 = 54,089.81/x
  3. Step 3: Cross multiply
    61,563.20x = 91,899.62 × 54,089.81
  4. Step 4: Simplify right side
    61,563.20x = 4,970,832,646.57
  5. Step 5: Solve for x
    x = 4,970,832,646.57/61,563.20
  6. Step 6: Final answer
    x = 80,743.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.