Home / 81,695.04-122,322.24-56,682.24

Finding the Fourth Proportional to 81,695.04, 122,322.24 and 56,682.24

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Solution

The fourth proportional to 81,695.04, 122,322.24 and 56,682.24 is: 84,870.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,695.04 : 122,322.24 = 56,682.24 : x
  2. Step 2: Convert to fraction form
    81,695.04/122,322.24 = 56,682.24/x
  3. Step 3: Cross multiply
    81,695.04x = 122,322.24 × 56,682.24
  4. Step 4: Simplify right side
    81,695.04x = 6,933,498,565.02
  5. Step 5: Solve for x
    x = 6,933,498,565.02/81,695.04
  6. Step 6: Final answer
    x = 84,870.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.