Home / 88,487.06-132,418.74-55,222.76

Finding the Fourth Proportional to 88,487.06, 132,418.74 and 55,222.76

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Solution

The fourth proportional to 88,487.06, 132,418.74 and 55,222.76 is: 82,639.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,487.06 : 132,418.74 = 55,222.76 : x
  2. Step 2: Convert to fraction form
    88,487.06/132,418.74 = 55,222.76/x
  3. Step 3: Cross multiply
    88,487.06x = 132,418.74 × 55,222.76
  4. Step 4: Simplify right side
    88,487.06x = 7,312,528,298.52
  5. Step 5: Solve for x
    x = 7,312,528,298.52/88,487.06
  6. Step 6: Final answer
    x = 82,639.52

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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.