Home / 74,919.90-112,364.46-22,315.26

Finding the Fourth Proportional to 74,919.90, 112,364.46 and 22,315.26

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Solution

The fourth proportional to 74,919.90, 112,364.46 and 22,315.26 is: 33,468.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,919.90 : 112,364.46 = 22,315.26 : x
  2. Step 2: Convert to fraction form
    74,919.90/112,364.46 = 22,315.26/x
  3. Step 3: Cross multiply
    74,919.90x = 112,364.46 × 22,315.26
  4. Step 4: Simplify right side
    74,919.90x = 2,507,442,139.66
  5. Step 5: Solve for x
    x = 2,507,442,139.66/74,919.90
  6. Step 6: Final answer
    x = 33,468.31

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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.