Home / 86,542.76-119,420.91-50,234.57

Finding the Fourth Proportional to 86,542.76, 119,420.91 and 50,234.57

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Solution

The fourth proportional to 86,542.76, 119,420.91 and 50,234.57 is: 69,319.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,542.76 : 119,420.91 = 50,234.57 : x
  2. Step 2: Convert to fraction form
    86,542.76/119,420.91 = 50,234.57/x
  3. Step 3: Cross multiply
    86,542.76x = 119,420.91 × 50,234.57
  4. Step 4: Simplify right side
    86,542.76x = 5,999,058,101.96
  5. Step 5: Solve for x
    x = 5,999,058,101.96/86,542.76
  6. Step 6: Final answer
    x = 69,319.01

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1.5x scale

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.