Home / 90,841.86-125,363.43-50,557.32

Finding the Fourth Proportional to 90,841.86, 125,363.43 and 50,557.32

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Solution

The fourth proportional to 90,841.86, 125,363.43 and 50,557.32 is: 69,770.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,841.86 : 125,363.43 = 50,557.32 : x
  2. Step 2: Convert to fraction form
    90,841.86/125,363.43 = 50,557.32/x
  3. Step 3: Cross multiply
    90,841.86x = 125,363.43 × 50,557.32
  4. Step 4: Simplify right side
    90,841.86x = 6,338,039,046.81
  5. Step 5: Solve for x
    x = 6,338,039,046.81/90,841.86
  6. Step 6: Final answer
    x = 69,770.03

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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.