Home / 70,456.29-105,617.60-26,052.90

Finding the Fourth Proportional to 70,456.29, 105,617.60 and 26,052.90

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Solution

The fourth proportional to 70,456.29, 105,617.60 and 26,052.90 is: 39,054.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,456.29 : 105,617.60 = 26,052.90 : x
  2. Step 2: Convert to fraction form
    70,456.29/105,617.60 = 26,052.90/x
  3. Step 3: Cross multiply
    70,456.29x = 105,617.60 × 26,052.90
  4. Step 4: Simplify right side
    70,456.29x = 2,751,644,771.04
  5. Step 5: Solve for x
    x = 2,751,644,771.04/70,456.29
  6. Step 6: Final answer
    x = 39,054.64

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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.