Home / 74,147.99-111,295.81-40,883.72

Finding the Fourth Proportional to 74,147.99, 111,295.81 and 40,883.72

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Solution

The fourth proportional to 74,147.99, 111,295.81 and 40,883.72 is: 61,366.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,147.99 : 111,295.81 = 40,883.72 : x
  2. Step 2: Convert to fraction form
    74,147.99/111,295.81 = 40,883.72/x
  3. Step 3: Cross multiply
    74,147.99x = 111,295.81 × 40,883.72
  4. Step 4: Simplify right side
    74,147.99x = 4,550,186,623.91
  5. Step 5: Solve for x
    x = 4,550,186,623.91/74,147.99
  6. Step 6: Final answer
    x = 61,366.28

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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.