Home / 74,001.31-102,120.29-40,467.31

Finding the Fourth Proportional to 74,001.31, 102,120.29 and 40,467.31

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Solution

The fourth proportional to 74,001.31, 102,120.29 and 40,467.31 is: 55,844.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,001.31 : 102,120.29 = 40,467.31 : x
  2. Step 2: Convert to fraction form
    74,001.31/102,120.29 = 40,467.31/x
  3. Step 3: Cross multiply
    74,001.31x = 102,120.29 × 40,467.31
  4. Step 4: Simplify right side
    74,001.31x = 4,132,533,230.38
  5. Step 5: Solve for x
    x = 4,132,533,230.38/74,001.31
  6. Step 6: Final answer
    x = 55,844.06

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1.5x scale

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.