Home / 74,823.10-103,258.08-40,833.79

Finding the Fourth Proportional to 74,823.10, 103,258.08 and 40,833.79

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Solution

The fourth proportional to 74,823.10, 103,258.08 and 40,833.79 is: 56,351.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,823.10 : 103,258.08 = 40,833.79 : x
  2. Step 2: Convert to fraction form
    74,823.10/103,258.08 = 40,833.79/x
  3. Step 3: Cross multiply
    74,823.10x = 103,258.08 × 40,833.79
  4. Step 4: Simplify right side
    74,823.10x = 4,216,418,754.52
  5. Step 5: Solve for x
    x = 4,216,418,754.52/74,823.10
  6. Step 6: Final answer
    x = 56,351.83

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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.