Home / 88,587.19-132,943.06-80,117.35

Finding the Fourth Proportional to 88,587.19, 132,943.06 and 80,117.35

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Solution

The fourth proportional to 88,587.19, 132,943.06 and 80,117.35 is: 120,232.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,587.19 : 132,943.06 = 80,117.35 : x
  2. Step 2: Convert to fraction form
    88,587.19/132,943.06 = 80,117.35/x
  3. Step 3: Cross multiply
    88,587.19x = 132,943.06 × 80,117.35
  4. Step 4: Simplify right side
    88,587.19x = 10,651,045,900.30
  5. Step 5: Solve for x
    x = 10,651,045,900.30/88,587.19
  6. Step 6: Final answer
    x = 120,232.34

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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.