Home / 74,541.62-102,869.31-40,552.02

Finding the Fourth Proportional to 74,541.62, 102,869.31 and 40,552.02

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Solution

The fourth proportional to 74,541.62, 102,869.31 and 40,552.02 is: 55,962.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,541.62 : 102,869.31 = 40,552.02 : x
  2. Step 2: Convert to fraction form
    74,541.62/102,869.31 = 40,552.02/x
  3. Step 3: Cross multiply
    74,541.62x = 102,869.31 × 40,552.02
  4. Step 4: Simplify right side
    74,541.62x = 4,171,558,316.51
  5. Step 5: Solve for x
    x = 4,171,558,316.51/74,541.62
  6. Step 6: Final answer
    x = 55,962.81

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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.