Home / 90,612.86-125,041.48-50,329.08

Finding the Fourth Proportional to 90,612.86, 125,041.48 and 50,329.08

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Solution

The fourth proportional to 90,612.86, 125,041.48 and 50,329.08 is: 69,451.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,612.86 : 125,041.48 = 50,329.08 : x
  2. Step 2: Convert to fraction form
    90,612.86/125,041.48 = 50,329.08/x
  3. Step 3: Cross multiply
    90,612.86x = 125,041.48 × 50,329.08
  4. Step 4: Simplify right side
    90,612.86x = 6,293,222,524.42
  5. Step 5: Solve for x
    x = 6,293,222,524.42/90,612.86
  6. Step 6: Final answer
    x = 69,451.76

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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.