Home / 90,926.66-125,473.91-50,089.45

Finding the Fourth Proportional to 90,926.66, 125,473.91 and 50,089.45

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Solution

The fourth proportional to 90,926.66, 125,473.91 and 50,089.45 is: 69,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,926.66 : 125,473.91 = 50,089.45 : x
  2. Step 2: Convert to fraction form
    90,926.66/125,473.91 = 50,089.45/x
  3. Step 3: Cross multiply
    90,926.66x = 125,473.91 × 50,089.45
  4. Step 4: Simplify right side
    90,926.66x = 6,284,918,741.24
  5. Step 5: Solve for x
    x = 6,284,918,741.24/90,926.66
  6. Step 6: Final answer
    x = 69,120.75

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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.