Home / 70,943.41-97,902.66-39,113.45

Finding the Fourth Proportional to 70,943.41, 97,902.66 and 39,113.45

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Solution

The fourth proportional to 70,943.41, 97,902.66 and 39,113.45 is: 53,976.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,943.41 : 97,902.66 = 39,113.45 : x
  2. Step 2: Convert to fraction form
    70,943.41/97,902.66 = 39,113.45/x
  3. Step 3: Cross multiply
    70,943.41x = 97,902.66 × 39,113.45
  4. Step 4: Simplify right side
    70,943.41x = 3,829,310,796.78
  5. Step 5: Solve for x
    x = 3,829,310,796.78/70,943.41
  6. Step 6: Final answer
    x = 53,976.98

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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.