Home / 89,965.03-124,155.44-55,993.63

Finding the Fourth Proportional to 89,965.03, 124,155.44 and 55,993.63

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Solution

The fourth proportional to 89,965.03, 124,155.44 and 55,993.63 is: 77,273.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,965.03 : 124,155.44 = 55,993.63 : x
  2. Step 2: Convert to fraction form
    89,965.03/124,155.44 = 55,993.63/x
  3. Step 3: Cross multiply
    89,965.03x = 124,155.44 × 55,993.63
  4. Step 4: Simplify right side
    89,965.03x = 6,951,913,769.85
  5. Step 5: Solve for x
    x = 6,951,913,769.85/89,965.03
  6. Step 6: Final answer
    x = 77,273.51

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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.