Home / 86,645.30-119,520.62-52,166.06

Finding the Fourth Proportional to 86,645.30, 119,520.62 and 52,166.06

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Solution

The fourth proportional to 86,645.30, 119,520.62 and 52,166.06 is: 71,959.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,645.30 : 119,520.62 = 52,166.06 : x
  2. Step 2: Convert to fraction form
    86,645.30/119,520.62 = 52,166.06/x
  3. Step 3: Cross multiply
    86,645.30x = 119,520.62 × 52,166.06
  4. Step 4: Simplify right side
    86,645.30x = 6,234,919,834.16
  5. Step 5: Solve for x
    x = 6,234,919,834.16/86,645.30
  6. Step 6: Final answer
    x = 71,959.12

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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.