Home / 74,378.43-111,567.78-61,203.24

Finding the Fourth Proportional to 74,378.43, 111,567.78 and 61,203.24

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Solution

The fourth proportional to 74,378.43, 111,567.78 and 61,203.24 is: 91,804.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,378.43 : 111,567.78 = 61,203.24 : x
  2. Step 2: Convert to fraction form
    74,378.43/111,567.78 = 61,203.24/x
  3. Step 3: Cross multiply
    74,378.43x = 111,567.78 × 61,203.24
  4. Step 4: Simplify right side
    74,378.43x = 6,828,309,615.61
  5. Step 5: Solve for x
    x = 6,828,309,615.61/74,378.43
  6. Step 6: Final answer
    x = 91,804.97

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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.