Home / 79,058.18-109,125.70-52,224.50

Finding the Fourth Proportional to 79,058.18, 109,125.70 and 52,224.50

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Solution

The fourth proportional to 79,058.18, 109,125.70 and 52,224.50 is: 72,086.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,058.18 : 109,125.70 = 52,224.50 : x
  2. Step 2: Convert to fraction form
    79,058.18/109,125.70 = 52,224.50/x
  3. Step 3: Cross multiply
    79,058.18x = 109,125.70 × 52,224.50
  4. Step 4: Simplify right side
    79,058.18x = 5,699,035,119.65
  5. Step 5: Solve for x
    x = 5,699,035,119.65/79,058.18
  6. Step 6: Final answer
    x = 72,086.60

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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.