Home / 88,077.24-132,129.64-28,899.45

Finding the Fourth Proportional to 88,077.24, 132,129.64 and 28,899.45

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Solution

The fourth proportional to 88,077.24, 132,129.64 and 28,899.45 is: 43,353.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,077.24 : 132,129.64 = 28,899.45 : x
  2. Step 2: Convert to fraction form
    88,077.24/132,129.64 = 28,899.45/x
  3. Step 3: Cross multiply
    88,077.24x = 132,129.64 × 28,899.45
  4. Step 4: Simplify right side
    88,077.24x = 3,818,473,924.70
  5. Step 5: Solve for x
    x = 3,818,473,924.70/88,077.24
  6. Step 6: Final answer
    x = 43,353.70

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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.