Home / 74,784.06-103,202.15-40,792.59

Finding the Fourth Proportional to 74,784.06, 103,202.15 and 40,792.59

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Solution

The fourth proportional to 74,784.06, 103,202.15 and 40,792.59 is: 56,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,784.06 : 103,202.15 = 40,792.59 : x
  2. Step 2: Convert to fraction form
    74,784.06/103,202.15 = 40,792.59/x
  3. Step 3: Cross multiply
    74,784.06x = 103,202.15 × 40,792.59
  4. Step 4: Simplify right side
    74,784.06x = 4,209,882,788.11
  5. Step 5: Solve for x
    x = 4,209,882,788.11/74,784.06
  6. Step 6: Final answer
    x = 56,293.85

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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.