Home / 74,784.22-112,143.48-28,004.29

Finding the Fourth Proportional to 74,784.22, 112,143.48 and 28,004.29

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Solution

The fourth proportional to 74,784.22, 112,143.48 and 28,004.29 is: 41,994.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,784.22 : 112,143.48 = 28,004.29 : x
  2. Step 2: Convert to fraction form
    74,784.22/112,143.48 = 28,004.29/x
  3. Step 3: Cross multiply
    74,784.22x = 112,143.48 × 28,004.29
  4. Step 4: Simplify right side
    74,784.22x = 3,140,498,535.53
  5. Step 5: Solve for x
    x = 3,140,498,535.53/74,784.22
  6. Step 6: Final answer
    x = 41,994.13

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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.