Home / 74,486.20-111,815.70-44,937.40

Finding the Fourth Proportional to 74,486.20, 111,815.70 and 44,937.40

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Solution

The fourth proportional to 74,486.20, 111,815.70 and 44,937.40 is: 67,458.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,486.20 : 111,815.70 = 44,937.40 : x
  2. Step 2: Convert to fraction form
    74,486.20/111,815.70 = 44,937.40/x
  3. Step 3: Cross multiply
    74,486.20x = 111,815.70 × 44,937.40
  4. Step 4: Simplify right side
    74,486.20x = 5,024,706,837.18
  5. Step 5: Solve for x
    x = 5,024,706,837.18/74,486.20
  6. Step 6: Final answer
    x = 67,458.22

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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.