Home / 75,096.83-103,633.33-40,641.49

Finding the Fourth Proportional to 75,096.83, 103,633.33 and 40,641.49

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Solution

The fourth proportional to 75,096.83, 103,633.33 and 40,641.49 is: 56,085.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,096.83 : 103,633.33 = 40,641.49 : x
  2. Step 2: Convert to fraction form
    75,096.83/103,633.33 = 40,641.49/x
  3. Step 3: Cross multiply
    75,096.83x = 103,633.33 × 40,641.49
  4. Step 4: Simplify right side
    75,096.83x = 4,211,812,223.49
  5. Step 5: Solve for x
    x = 4,211,812,223.49/75,096.83
  6. Step 6: Final answer
    x = 56,085.09

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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.