Home / 89,166.87-123,051.66-53,358.39

Finding the Fourth Proportional to 89,166.87, 123,051.66 and 53,358.39

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Solution

The fourth proportional to 89,166.87, 123,051.66 and 53,358.39 is: 73,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,166.87 : 123,051.66 = 53,358.39 : x
  2. Step 2: Convert to fraction form
    89,166.87/123,051.66 = 53,358.39/x
  3. Step 3: Cross multiply
    89,166.87x = 123,051.66 × 53,358.39
  4. Step 4: Simplify right side
    89,166.87x = 6,565,838,464.43
  5. Step 5: Solve for x
    x = 6,565,838,464.43/89,166.87
  6. Step 6: Final answer
    x = 73,635.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.