Home / 66,226.75-91,426.78-51,085.42

Finding the Fourth Proportional to 66,226.75, 91,426.78 and 51,085.42

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Solution

The fourth proportional to 66,226.75, 91,426.78 and 51,085.42 is: 70,524.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,226.75 : 91,426.78 = 51,085.42 : x
  2. Step 2: Convert to fraction form
    66,226.75/91,426.78 = 51,085.42/x
  3. Step 3: Cross multiply
    66,226.75x = 91,426.78 × 51,085.42
  4. Step 4: Simplify right side
    66,226.75x = 4,670,575,455.55
  5. Step 5: Solve for x
    x = 4,670,575,455.55/66,226.75
  6. Step 6: Final answer
    x = 70,524.00

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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.