Home / 86,717.12-119,677.92-52,723.04

Finding the Fourth Proportional to 86,717.12, 119,677.92 and 52,723.04

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Solution

The fourth proportional to 86,717.12, 119,677.92 and 52,723.04 is: 72,762.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,717.12 : 119,677.92 = 52,723.04 : x
  2. Step 2: Convert to fraction form
    86,717.12/119,677.92 = 52,723.04/x
  3. Step 3: Cross multiply
    86,717.12x = 119,677.92 × 52,723.04
  4. Step 4: Simplify right side
    86,717.12x = 6,309,783,763.28
  5. Step 5: Solve for x
    x = 6,309,783,763.28/86,717.12
  6. Step 6: Final answer
    x = 72,762.84

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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.