Home / 91,972.85-126,925.07-51,690.29

Finding the Fourth Proportional to 91,972.85, 126,925.07 and 51,690.29

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Solution

The fourth proportional to 91,972.85, 126,925.07 and 51,690.29 is: 71,334.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,972.85 : 126,925.07 = 51,690.29 : x
  2. Step 2: Convert to fraction form
    91,972.85/126,925.07 = 51,690.29/x
  3. Step 3: Cross multiply
    91,972.85x = 126,925.07 × 51,690.29
  4. Step 4: Simplify right side
    91,972.85x = 6,560,792,783.49
  5. Step 5: Solve for x
    x = 6,560,792,783.49/91,972.85
  6. Step 6: Final answer
    x = 71,334.02

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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.