Home / 74,983.20-112,476.60-22,394.40

Finding the Fourth Proportional to 74,983.20, 112,476.60 and 22,394.40

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Solution

The fourth proportional to 74,983.20, 112,476.60 and 22,394.40 is: 33,592.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,983.20 : 112,476.60 = 22,394.40 : x
  2. Step 2: Convert to fraction form
    74,983.20/112,476.60 = 22,394.40/x
  3. Step 3: Cross multiply
    74,983.20x = 112,476.60 × 22,394.40
  4. Step 4: Simplify right side
    74,983.20x = 2,518,845,971.04
  5. Step 5: Solve for x
    x = 2,518,845,971.04/74,983.20
  6. Step 6: Final answer
    x = 33,592.14

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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.