Home / 89,214.86-123,107.58-51,501.26

Finding the Fourth Proportional to 89,214.86, 123,107.58 and 51,501.26

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Solution

The fourth proportional to 89,214.86, 123,107.58 and 51,501.26 is: 71,066.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,214.86 : 123,107.58 = 51,501.26 : x
  2. Step 2: Convert to fraction form
    89,214.86/123,107.58 = 51,501.26/x
  3. Step 3: Cross multiply
    89,214.86x = 123,107.58 × 51,501.26
  4. Step 4: Simplify right side
    89,214.86x = 6,340,195,485.55
  5. Step 5: Solve for x
    x = 6,340,195,485.55/89,214.86
  6. Step 6: Final answer
    x = 71,066.59

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1.5x scale

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.