Home / 86,797.29-119,753.67-56,571.64

Finding the Fourth Proportional to 86,797.29, 119,753.67 and 56,571.64

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Solution

The fourth proportional to 86,797.29, 119,753.67 and 56,571.64 is: 78,051.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,797.29 : 119,753.67 = 56,571.64 : x
  2. Step 2: Convert to fraction form
    86,797.29/119,753.67 = 56,571.64/x
  3. Step 3: Cross multiply
    86,797.29x = 119,753.67 × 56,571.64
  4. Step 4: Simplify right side
    86,797.29x = 6,774,661,507.92
  5. Step 5: Solve for x
    x = 6,774,661,507.92/86,797.29
  6. Step 6: Final answer
    x = 78,051.53

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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.