Home / 74,334.38-102,586.50-42,069.02

Finding the Fourth Proportional to 74,334.38, 102,586.50 and 42,069.02

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Solution

The fourth proportional to 74,334.38, 102,586.50 and 42,069.02 is: 58,058.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,334.38 : 102,586.50 = 42,069.02 : x
  2. Step 2: Convert to fraction form
    74,334.38/102,586.50 = 42,069.02/x
  3. Step 3: Cross multiply
    74,334.38x = 102,586.50 × 42,069.02
  4. Step 4: Simplify right side
    74,334.38x = 4,315,713,520.23
  5. Step 5: Solve for x
    x = 4,315,713,520.23/74,334.38
  6. Step 6: Final answer
    x = 58,058.11

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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.