Home / 91,018.16-125,604.78-50,731.46

Finding the Fourth Proportional to 91,018.16, 125,604.78 and 50,731.46

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Solution

The fourth proportional to 91,018.16, 125,604.78 and 50,731.46 is: 70,009.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,018.16 : 125,604.78 = 50,731.46 : x
  2. Step 2: Convert to fraction form
    91,018.16/125,604.78 = 50,731.46/x
  3. Step 3: Cross multiply
    91,018.16x = 125,604.78 × 50,731.46
  4. Step 4: Simplify right side
    91,018.16x = 6,372,113,872.38
  5. Step 5: Solve for x
    x = 6,372,113,872.38/91,018.16
  6. Step 6: Final answer
    x = 70,009.26

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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.