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Finding the Fourth Proportional to 70,670.88, 106,034.40 and 29,108.16

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Solution

The fourth proportional to 70,670.88, 106,034.40 and 29,108.16 is: 43,673.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,670.88 : 106,034.40 = 29,108.16 : x
  2. Step 2: Convert to fraction form
    70,670.88/106,034.40 = 29,108.16/x
  3. Step 3: Cross multiply
    70,670.88x = 106,034.40 × 29,108.16
  4. Step 4: Simplify right side
    70,670.88x = 3,086,466,280.70
  5. Step 5: Solve for x
    x = 3,086,466,280.70/70,670.88
  6. Step 6: Final answer
    x = 43,673.81

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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.