Home / 75,445.43-104,146.61-50,921.57

Finding the Fourth Proportional to 75,445.43, 104,146.61 and 50,921.57

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Solution

The fourth proportional to 75,445.43, 104,146.61 and 50,921.57 is: 70,293.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,445.43 : 104,146.61 = 50,921.57 : x
  2. Step 2: Convert to fraction form
    75,445.43/104,146.61 = 50,921.57/x
  3. Step 3: Cross multiply
    75,445.43x = 104,146.61 × 50,921.57
  4. Step 4: Simplify right side
    75,445.43x = 5,303,308,116.04
  5. Step 5: Solve for x
    x = 5,303,308,116.04/75,445.43
  6. Step 6: Final answer
    x = 70,293.30

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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.