Home / 52,055.57-77,964.80-40,740.33

Finding the Fourth Proportional to 52,055.57, 77,964.80 and 40,740.33

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Solution

The fourth proportional to 52,055.57, 77,964.80 and 40,740.33 is: 61,017.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,055.57 : 77,964.80 = 40,740.33 : x
  2. Step 2: Convert to fraction form
    52,055.57/77,964.80 = 40,740.33/x
  3. Step 3: Cross multiply
    52,055.57x = 77,964.80 × 40,740.33
  4. Step 4: Simplify right side
    52,055.57x = 3,176,311,680.38
  5. Step 5: Solve for x
    x = 3,176,311,680.38/52,055.57
  6. Step 6: Final answer
    x = 61,017.71

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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.