Home / 74,528.78-102,846.76-40,537.22

Finding the Fourth Proportional to 74,528.78, 102,846.76 and 40,537.22

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Solution

The fourth proportional to 74,528.78, 102,846.76 and 40,537.22 is: 55,939.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,528.78 : 102,846.76 = 40,537.22 : x
  2. Step 2: Convert to fraction form
    74,528.78/102,846.76 = 40,537.22/x
  3. Step 3: Cross multiply
    74,528.78x = 102,846.76 × 40,537.22
  4. Step 4: Simplify right side
    74,528.78x = 4,169,121,533.72
  5. Step 5: Solve for x
    x = 4,169,121,533.72/74,528.78
  6. Step 6: Final answer
    x = 55,939.75

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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.