Home / 50,729.90-70,011.12-29,226.28

Finding the Fourth Proportional to 50,729.90, 70,011.12 and 29,226.28

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Solution

The fourth proportional to 50,729.90, 70,011.12 and 29,226.28 is: 40,334.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,729.90 : 70,011.12 = 29,226.28 : x
  2. Step 2: Convert to fraction form
    50,729.90/70,011.12 = 29,226.28/x
  3. Step 3: Cross multiply
    50,729.90x = 70,011.12 × 29,226.28
  4. Step 4: Simplify right side
    50,729.90x = 2,046,164,596.23
  5. Step 5: Solve for x
    x = 2,046,164,596.23/50,729.90
  6. Step 6: Final answer
    x = 40,334.49

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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.