Home / 88,115.10-132,186.47-28,937.31

Finding the Fourth Proportional to 88,115.10, 132,186.47 and 28,937.31

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Solution

The fourth proportional to 88,115.10, 132,186.47 and 28,937.31 is: 43,410.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,115.10 : 132,186.47 = 28,937.31 : x
  2. Step 2: Convert to fraction form
    88,115.10/132,186.47 = 28,937.31/x
  3. Step 3: Cross multiply
    88,115.10x = 132,186.47 × 28,937.31
  4. Step 4: Simplify right side
    88,115.10x = 3,825,120,715.51
  5. Step 5: Solve for x
    x = 3,825,120,715.51/88,115.10
  6. Step 6: Final answer
    x = 43,410.50

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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.