Home / 70,943.68-97,898.25-40,722.58

Finding the Fourth Proportional to 70,943.68, 97,898.25 and 40,722.58

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Solution

The fourth proportional to 70,943.68, 97,898.25 and 40,722.58 is: 56,194.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,943.68 : 97,898.25 = 40,722.58 : x
  2. Step 2: Convert to fraction form
    70,943.68/97,898.25 = 40,722.58/x
  3. Step 3: Cross multiply
    70,943.68x = 97,898.25 × 40,722.58
  4. Step 4: Simplify right side
    70,943.68x = 3,986,669,317.49
  5. Step 5: Solve for x
    x = 3,986,669,317.49/70,943.68
  6. Step 6: Final answer
    x = 56,194.85

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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.