Home / 74,048.94-102,193.02-42,218.64

Finding the Fourth Proportional to 74,048.94, 102,193.02 and 42,218.64

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Solution

The fourth proportional to 74,048.94, 102,193.02 and 42,218.64 is: 58,264.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,048.94 : 102,193.02 = 42,218.64 : x
  2. Step 2: Convert to fraction form
    74,048.94/102,193.02 = 42,218.64/x
  3. Step 3: Cross multiply
    74,048.94x = 102,193.02 × 42,218.64
  4. Step 4: Simplify right side
    74,048.94x = 4,314,450,321.89
  5. Step 5: Solve for x
    x = 4,314,450,321.89/74,048.94
  6. Step 6: Final answer
    x = 58,264.85

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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.