Home / 74,326.87-102,576.14-42,061.51

Finding the Fourth Proportional to 74,326.87, 102,576.14 and 42,061.51

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Solution

The fourth proportional to 74,326.87, 102,576.14 and 42,061.51 is: 58,047.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,326.87 : 102,576.14 = 42,061.51 : x
  2. Step 2: Convert to fraction form
    74,326.87/102,576.14 = 42,061.51/x
  3. Step 3: Cross multiply
    74,326.87x = 102,576.14 × 42,061.51
  4. Step 4: Simplify right side
    74,326.87x = 4,314,507,414.01
  5. Step 5: Solve for x
    x = 4,314,507,414.01/74,326.87
  6. Step 6: Final answer
    x = 58,047.75

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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.