Home / 74,833.92-103,271.36-40,842.64

Finding the Fourth Proportional to 74,833.92, 103,271.36 and 40,842.64

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Solution

The fourth proportional to 74,833.92, 103,271.36 and 40,842.64 is: 56,363.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,833.92 : 103,271.36 = 40,842.64 : x
  2. Step 2: Convert to fraction form
    74,833.92/103,271.36 = 40,842.64/x
  3. Step 3: Cross multiply
    74,833.92x = 103,271.36 × 40,842.64
  4. Step 4: Simplify right side
    74,833.92x = 4,217,874,978.79
  5. Step 5: Solve for x
    x = 4,217,874,978.79/74,833.92
  6. Step 6: Final answer
    x = 56,363.14

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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.