Home / 91,278.76-125,963.32-50,993.16

Finding the Fourth Proportional to 91,278.76, 125,963.32 and 50,993.16

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Solution

The fourth proportional to 91,278.76, 125,963.32 and 50,993.16 is: 70,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,278.76 : 125,963.32 = 50,993.16 : x
  2. Step 2: Convert to fraction form
    91,278.76/125,963.32 = 50,993.16/x
  3. Step 3: Cross multiply
    91,278.76x = 125,963.32 × 50,993.16
  4. Step 4: Simplify right side
    91,278.76x = 6,423,267,730.89
  5. Step 5: Solve for x
    x = 6,423,267,730.89/91,278.76
  6. Step 6: Final answer
    x = 70,369.80

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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.