Home / 67,242.84-100,857.18-29,803.56

Finding the Fourth Proportional to 67,242.84, 100,857.18 and 29,803.56

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Solution

The fourth proportional to 67,242.84, 100,857.18 and 29,803.56 is: 44,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,242.84 : 100,857.18 = 29,803.56 : x
  2. Step 2: Convert to fraction form
    67,242.84/100,857.18 = 29,803.56/x
  3. Step 3: Cross multiply
    67,242.84x = 100,857.18 × 29,803.56
  4. Step 4: Simplify right side
    67,242.84x = 3,005,903,015.56
  5. Step 5: Solve for x
    x = 3,005,903,015.56/67,242.84
  6. Step 6: Final answer
    x = 44,702.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.