Home / 70,072.40-96,699.84-41,778.08

Finding the Fourth Proportional to 70,072.40, 96,699.84 and 41,778.08

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Solution

The fourth proportional to 70,072.40, 96,699.84 and 41,778.08 is: 57,653.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,072.40 : 96,699.84 = 41,778.08 : x
  2. Step 2: Convert to fraction form
    70,072.40/96,699.84 = 41,778.08/x
  3. Step 3: Cross multiply
    70,072.40x = 96,699.84 × 41,778.08
  4. Step 4: Simplify right side
    70,072.40x = 4,039,933,168.01
  5. Step 5: Solve for x
    x = 4,039,933,168.01/70,072.40
  6. Step 6: Final answer
    x = 57,653.70

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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.