Home / 90,487.44-125,035.20-70,396.56

Finding the Fourth Proportional to 90,487.44, 125,035.20 and 70,396.56

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Solution

The fourth proportional to 90,487.44, 125,035.20 and 70,396.56 is: 97,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,487.44 : 125,035.20 = 70,396.56 : x
  2. Step 2: Convert to fraction form
    90,487.44/125,035.20 = 70,396.56/x
  3. Step 3: Cross multiply
    90,487.44x = 125,035.20 × 70,396.56
  4. Step 4: Simplify right side
    90,487.44x = 8,802,047,958.91
  5. Step 5: Solve for x
    x = 8,802,047,958.91/90,487.44
  6. Step 6: Final answer
    x = 97,273.70

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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.