Home / 74,368.11-102,626.72-40,833.87

Finding the Fourth Proportional to 74,368.11, 102,626.72 and 40,833.87

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Solution

The fourth proportional to 74,368.11, 102,626.72 and 40,833.87 is: 56,350.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,368.11 : 102,626.72 = 40,833.87 : x
  2. Step 2: Convert to fraction form
    74,368.11/102,626.72 = 40,833.87/x
  3. Step 3: Cross multiply
    74,368.11x = 102,626.72 × 40,833.87
  4. Step 4: Simplify right side
    74,368.11x = 4,190,645,938.84
  5. Step 5: Solve for x
    x = 4,190,645,938.84/74,368.11
  6. Step 6: Final answer
    x = 56,350.04

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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.