Home / 90,848.66-125,371.03-50,561.47

Finding the Fourth Proportional to 90,848.66, 125,371.03 and 50,561.47

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Solution

The fourth proportional to 90,848.66, 125,371.03 and 50,561.47 is: 69,774.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,848.66 : 125,371.03 = 50,561.47 : x
  2. Step 2: Convert to fraction form
    90,848.66/125,371.03 = 50,561.47/x
  3. Step 3: Cross multiply
    90,848.66x = 125,371.03 × 50,561.47
  4. Step 4: Simplify right side
    90,848.66x = 6,338,942,921.01
  5. Step 5: Solve for x
    x = 6,338,942,921.01/90,848.66
  6. Step 6: Final answer
    x = 69,774.75

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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.