Home / 90,883.56-125,417.70-50,603.88

Finding the Fourth Proportional to 90,883.56, 125,417.70 and 50,603.88

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Solution

The fourth proportional to 90,883.56, 125,417.70 and 50,603.88 is: 69,832.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,883.56 : 125,417.70 = 50,603.88 : x
  2. Step 2: Convert to fraction form
    90,883.56/125,417.70 = 50,603.88/x
  3. Step 3: Cross multiply
    90,883.56x = 125,417.70 × 50,603.88
  4. Step 4: Simplify right side
    90,883.56x = 6,346,622,240.68
  5. Step 5: Solve for x
    x = 6,346,622,240.68/90,883.56
  6. Step 6: Final answer
    x = 69,832.46

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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.