Home / 70,060.38-96,685.47-39,850.05

Finding the Fourth Proportional to 70,060.38, 96,685.47 and 39,850.05

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Solution

The fourth proportional to 70,060.38, 96,685.47 and 39,850.05 is: 54,994.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,060.38 : 96,685.47 = 39,850.05 : x
  2. Step 2: Convert to fraction form
    70,060.38/96,685.47 = 39,850.05/x
  3. Step 3: Cross multiply
    70,060.38x = 96,685.47 × 39,850.05
  4. Step 4: Simplify right side
    70,060.38x = 3,852,920,813.77
  5. Step 5: Solve for x
    x = 3,852,920,813.77/70,060.38
  6. Step 6: Final answer
    x = 54,994.29

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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.