Home / 88,137.51-132,178.18-28,959.45

Finding the Fourth Proportional to 88,137.51, 132,178.18 and 28,959.45

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Solution

The fourth proportional to 88,137.51, 132,178.18 and 28,959.45 is: 43,429.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,137.51 : 132,178.18 = 28,959.45 : x
  2. Step 2: Convert to fraction form
    88,137.51/132,178.18 = 28,959.45/x
  3. Step 3: Cross multiply
    88,137.51x = 132,178.18 × 28,959.45
  4. Step 4: Simplify right side
    88,137.51x = 3,827,806,733.91
  5. Step 5: Solve for x
    x = 3,827,806,733.91/88,137.51
  6. Step 6: Final answer
    x = 43,429.94

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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.