Home / 74,750.45-103,155.09-40,759.00

Finding the Fourth Proportional to 74,750.45, 103,155.09 and 40,759.00

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Solution

The fourth proportional to 74,750.45, 103,155.09 and 40,759.00 is: 56,247.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,750.45 : 103,155.09 = 40,759.00 : x
  2. Step 2: Convert to fraction form
    74,750.45/103,155.09 = 40,759.00/x
  3. Step 3: Cross multiply
    74,750.45x = 103,155.09 × 40,759.00
  4. Step 4: Simplify right side
    74,750.45x = 4,204,498,246.48
  5. Step 5: Solve for x
    x = 4,204,498,246.48/74,750.45
  6. Step 6: Final answer
    x = 56,247.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.