Home / 89,043.87-122,879.39-50,802.42

Finding the Fourth Proportional to 89,043.87, 122,879.39 and 50,802.42

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Solution

The fourth proportional to 89,043.87, 122,879.39 and 50,802.42 is: 70,106.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,043.87 : 122,879.39 = 50,802.42 : x
  2. Step 2: Convert to fraction form
    89,043.87/122,879.39 = 50,802.42/x
  3. Step 3: Cross multiply
    89,043.87x = 122,879.39 × 50,802.42
  4. Step 4: Simplify right side
    89,043.87x = 6,242,570,126.11
  5. Step 5: Solve for x
    x = 6,242,570,126.11/89,043.87
  6. Step 6: Final answer
    x = 70,106.68

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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.