Home / 88,128.93-132,165.36-28,950.87

Finding the Fourth Proportional to 88,128.93, 132,165.36 and 28,950.87

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Solution

The fourth proportional to 88,128.93, 132,165.36 and 28,950.87 is: 43,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,128.93 : 132,165.36 = 28,950.87 : x
  2. Step 2: Convert to fraction form
    88,128.93/132,165.36 = 28,950.87/x
  3. Step 3: Cross multiply
    88,128.93x = 132,165.36 × 28,950.87
  4. Step 4: Simplify right side
    88,128.93x = 3,826,302,155.86
  5. Step 5: Solve for x
    x = 3,826,302,155.86/88,128.93
  6. Step 6: Final answer
    x = 43,417.10

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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.