Home / 86,321.60-119,127.84-52,331.12

Finding the Fourth Proportional to 86,321.60, 119,127.84 and 52,331.12

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Solution

The fourth proportional to 86,321.60, 119,127.84 and 52,331.12 is: 72,219.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,321.60 : 119,127.84 = 52,331.12 : x
  2. Step 2: Convert to fraction form
    86,321.60/119,127.84 = 52,331.12/x
  3. Step 3: Cross multiply
    86,321.60x = 119,127.84 × 52,331.12
  4. Step 4: Simplify right side
    86,321.60x = 6,234,093,290.38
  5. Step 5: Solve for x
    x = 6,234,093,290.38/86,321.60
  6. Step 6: Final answer
    x = 72,219.39

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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.