Home / 50,126.16-75,541.56-45,134.64

Finding the Fourth Proportional to 50,126.16, 75,541.56 and 45,134.64

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Solution

The fourth proportional to 50,126.16, 75,541.56 and 45,134.64 is: 68,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,126.16 : 75,541.56 = 45,134.64 : x
  2. Step 2: Convert to fraction form
    50,126.16/75,541.56 = 45,134.64/x
  3. Step 3: Cross multiply
    50,126.16x = 75,541.56 × 45,134.64
  4. Step 4: Simplify right side
    50,126.16x = 3,409,541,115.64
  5. Step 5: Solve for x
    x = 3,409,541,115.64/50,126.16
  6. Step 6: Final answer
    x = 68,019.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.