Home / 90,627.01-125,061.78-50,343.36

Finding the Fourth Proportional to 90,627.01, 125,061.78 and 50,343.36

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Solution

The fourth proportional to 90,627.01, 125,061.78 and 50,343.36 is: 69,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,627.01 : 125,061.78 = 50,343.36 : x
  2. Step 2: Convert to fraction form
    90,627.01/125,061.78 = 50,343.36/x
  3. Step 3: Cross multiply
    90,627.01x = 125,061.78 × 50,343.36
  4. Step 4: Simplify right side
    90,627.01x = 6,296,030,212.78
  5. Step 5: Solve for x
    x = 6,296,030,212.78/90,627.01
  6. Step 6: Final answer
    x = 69,471.90

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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.