Home / 74,541.24-102,868.79-40,551.64

Finding the Fourth Proportional to 74,541.24, 102,868.79 and 40,551.64

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Solution

The fourth proportional to 74,541.24, 102,868.79 and 40,551.64 is: 55,962.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,541.24 : 102,868.79 = 40,551.64 : x
  2. Step 2: Convert to fraction form
    74,541.24/102,868.79 = 40,551.64/x
  3. Step 3: Cross multiply
    74,541.24x = 102,868.79 × 40,551.64
  4. Step 4: Simplify right side
    74,541.24x = 4,171,498,139.32
  5. Step 5: Solve for x
    x = 4,171,498,139.32/74,541.24
  6. Step 6: Final answer
    x = 55,962.29

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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.