Home / 89,919.60-124,012.86-54,102.92

Finding the Fourth Proportional to 89,919.60, 124,012.86 and 54,102.92

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Solution

The fourth proportional to 89,919.60, 124,012.86 and 54,102.92 is: 74,616.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,919.60 : 124,012.86 = 54,102.92 : x
  2. Step 2: Convert to fraction form
    89,919.60/124,012.86 = 54,102.92/x
  3. Step 3: Cross multiply
    89,919.60x = 124,012.86 × 54,102.92
  4. Step 4: Simplify right side
    89,919.60x = 6,709,457,843.55
  5. Step 5: Solve for x
    x = 6,709,457,843.55/89,919.60
  6. Step 6: Final answer
    x = 74,616.19

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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.