Home / 90,827.12-125,338.48-50,539.76

Finding the Fourth Proportional to 90,827.12, 125,338.48 and 50,539.76

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Solution

The fourth proportional to 90,827.12, 125,338.48 and 50,539.76 is: 69,743.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,827.12 : 125,338.48 = 50,539.76 : x
  2. Step 2: Convert to fraction form
    90,827.12/125,338.48 = 50,539.76/x
  3. Step 3: Cross multiply
    90,827.12x = 125,338.48 × 50,539.76
  4. Step 4: Simplify right side
    90,827.12x = 6,334,576,697.96
  5. Step 5: Solve for x
    x = 6,334,576,697.96/90,827.12
  6. Step 6: Final answer
    x = 69,743.23

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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.