Home / 52,112.93-77,982.54-45,117.00

Finding the Fourth Proportional to 52,112.93, 77,982.54 and 45,117.00

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Solution

The fourth proportional to 52,112.93, 77,982.54 and 45,117.00 is: 67,513.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,112.93 : 77,982.54 = 45,117.00 : x
  2. Step 2: Convert to fraction form
    52,112.93/77,982.54 = 45,117.00/x
  3. Step 3: Cross multiply
    52,112.93x = 77,982.54 × 45,117.00
  4. Step 4: Simplify right side
    52,112.93x = 3,518,338,380.43
  5. Step 5: Solve for x
    x = 3,518,338,380.43/52,112.93
  6. Step 6: Final answer
    x = 67,513.73

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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.