Home / 74,750.16-103,153.91-40,758.92

Finding the Fourth Proportional to 74,750.16, 103,153.91 and 40,758.92

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Solution

The fourth proportional to 74,750.16, 103,153.91 and 40,758.92 is: 56,246.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,750.16 : 103,153.91 = 40,758.92 : x
  2. Step 2: Convert to fraction form
    74,750.16/103,153.91 = 40,758.92/x
  3. Step 3: Cross multiply
    74,750.16x = 103,153.91 × 40,758.92
  4. Step 4: Simplify right side
    74,750.16x = 4,204,441,245.81
  5. Step 5: Solve for x
    x = 4,204,441,245.81/74,750.16
  6. Step 6: Final answer
    x = 56,246.59

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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.