Home / 75,734.38-113,661.51-42,448.24

Finding the Fourth Proportional to 75,734.38, 113,661.51 and 42,448.24

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Solution

The fourth proportional to 75,734.38, 113,661.51 and 42,448.24 is: 63,705.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,734.38 : 113,661.51 = 42,448.24 : x
  2. Step 2: Convert to fraction form
    75,734.38/113,661.51 = 42,448.24/x
  3. Step 3: Cross multiply
    75,734.38x = 113,661.51 × 42,448.24
  4. Step 4: Simplify right side
    75,734.38x = 4,824,731,055.24
  5. Step 5: Solve for x
    x = 4,824,731,055.24/75,734.38
  6. Step 6: Final answer
    x = 63,705.96

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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.