Home / 90,656.76-125,107.74-50,374.29

Finding the Fourth Proportional to 90,656.76, 125,107.74 and 50,374.29

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Solution

The fourth proportional to 90,656.76, 125,107.74 and 50,374.29 is: 69,517.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,656.76 : 125,107.74 = 50,374.29 : x
  2. Step 2: Convert to fraction form
    90,656.76/125,107.74 = 50,374.29/x
  3. Step 3: Cross multiply
    90,656.76x = 125,107.74 × 50,374.29
  4. Step 4: Simplify right side
    90,656.76x = 6,302,213,576.00
  5. Step 5: Solve for x
    x = 6,302,213,576.00/90,656.76
  6. Step 6: Final answer
    x = 69,517.30

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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.