Home / 51,740.12-77,570.62-23,640.68

Finding the Fourth Proportional to 51,740.12, 77,570.62 and 23,640.68

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Solution

The fourth proportional to 51,740.12, 77,570.62 and 23,640.68 is: 35,442.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,740.12 : 77,570.62 = 23,640.68 : x
  2. Step 2: Convert to fraction form
    51,740.12/77,570.62 = 23,640.68/x
  3. Step 3: Cross multiply
    51,740.12x = 77,570.62 × 23,640.68
  4. Step 4: Simplify right side
    51,740.12x = 1,833,822,204.82
  5. Step 5: Solve for x
    x = 1,833,822,204.82/51,740.12
  6. Step 6: Final answer
    x = 35,442.94

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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.