Home / 75,112.14-112,687.43-52,968.77

Finding the Fourth Proportional to 75,112.14, 112,687.43 and 52,968.77

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Solution

The fourth proportional to 75,112.14, 112,687.43 and 52,968.77 is: 79,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,112.14 : 112,687.43 = 52,968.77 : x
  2. Step 2: Convert to fraction form
    75,112.14/112,687.43 = 52,968.77/x
  3. Step 3: Cross multiply
    75,112.14x = 112,687.43 × 52,968.77
  4. Step 4: Simplify right side
    75,112.14x = 5,968,913,733.28
  5. Step 5: Solve for x
    x = 5,968,913,733.28/75,112.14
  6. Step 6: Final answer
    x = 79,466.70

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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.