Home / 90,681.96-125,141.36-50,395.60

Finding the Fourth Proportional to 90,681.96, 125,141.36 and 50,395.60

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Solution

The fourth proportional to 90,681.96, 125,141.36 and 50,395.60 is: 69,546.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,681.96 : 125,141.36 = 50,395.60 : x
  2. Step 2: Convert to fraction form
    90,681.96/125,141.36 = 50,395.60/x
  3. Step 3: Cross multiply
    90,681.96x = 125,141.36 × 50,395.60
  4. Step 4: Simplify right side
    90,681.96x = 6,306,573,735.15
  5. Step 5: Solve for x
    x = 6,306,573,735.15/90,681.96
  6. Step 6: Final answer
    x = 69,546.07

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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.