Home / 74,271.12-102,494.28-40,737.36

Finding the Fourth Proportional to 74,271.12, 102,494.28 and 40,737.36

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Solution

The fourth proportional to 74,271.12, 102,494.28 and 40,737.36 is: 56,217.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,271.12 : 102,494.28 = 40,737.36 : x
  2. Step 2: Convert to fraction form
    74,271.12/102,494.28 = 40,737.36/x
  3. Step 3: Cross multiply
    74,271.12x = 102,494.28 × 40,737.36
  4. Step 4: Simplify right side
    74,271.12x = 4,175,346,382.30
  5. Step 5: Solve for x
    x = 4,175,346,382.30/74,271.12
  6. Step 6: Final answer
    x = 56,217.63

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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.