Home / 74,331.85-102,576.49-42,065.87

Finding the Fourth Proportional to 74,331.85, 102,576.49 and 42,065.87

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Solution

The fourth proportional to 74,331.85, 102,576.49 and 42,065.87 is: 58,050.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,331.85 : 102,576.49 = 42,065.87 : x
  2. Step 2: Convert to fraction form
    74,331.85/102,576.49 = 42,065.87/x
  3. Step 3: Cross multiply
    74,331.85x = 102,576.49 × 42,065.87
  4. Step 4: Simplify right side
    74,331.85x = 4,314,968,570.18
  5. Step 5: Solve for x
    x = 4,314,968,570.18/74,331.85
  6. Step 6: Final answer
    x = 58,050.07

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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.