Home / 70,315.65-97,033.17-40,110.75

Finding the Fourth Proportional to 70,315.65, 97,033.17 and 40,110.75

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Solution

The fourth proportional to 70,315.65, 97,033.17 and 40,110.75 is: 55,351.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,315.65 : 97,033.17 = 40,110.75 : x
  2. Step 2: Convert to fraction form
    70,315.65/97,033.17 = 40,110.75/x
  3. Step 3: Cross multiply
    70,315.65x = 97,033.17 × 40,110.75
  4. Step 4: Simplify right side
    70,315.65x = 3,892,073,223.58
  5. Step 5: Solve for x
    x = 3,892,073,223.58/70,315.65
  6. Step 6: Final answer
    x = 55,351.45

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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.