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Finding the Fourth Proportional to 70,335.44, 105,502.70 and 17,744.97

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Solution

The fourth proportional to 70,335.44, 105,502.70 and 17,744.97 is: 26,617.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,335.44 : 105,502.70 = 17,744.97 : x
  2. Step 2: Convert to fraction form
    70,335.44/105,502.70 = 17,744.97/x
  3. Step 3: Cross multiply
    70,335.44x = 105,502.70 × 17,744.97
  4. Step 4: Simplify right side
    70,335.44x = 1,872,142,686.42
  5. Step 5: Solve for x
    x = 1,872,142,686.42/70,335.44
  6. Step 6: Final answer
    x = 26,617.35

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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.