Home / 88,079.98-132,139.11-28,913.38

Finding the Fourth Proportional to 88,079.98, 132,139.11 and 28,913.38

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Solution

The fourth proportional to 88,079.98, 132,139.11 and 28,913.38 is: 43,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,079.98 : 132,139.11 = 28,913.38 : x
  2. Step 2: Convert to fraction form
    88,079.98/132,139.11 = 28,913.38/x
  3. Step 3: Cross multiply
    88,079.98x = 132,139.11 × 28,913.38
  4. Step 4: Simplify right side
    88,079.98x = 3,820,588,300.29
  5. Step 5: Solve for x
    x = 3,820,588,300.29/88,079.98
  6. Step 6: Final answer
    x = 43,376.35

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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.