Home / 68,011.11-101,558.52-55,555.74

Finding the Fourth Proportional to 68,011.11, 101,558.52 and 55,555.74

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Solution

The fourth proportional to 68,011.11, 101,558.52 and 55,555.74 is: 82,959.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,011.11 : 101,558.52 = 55,555.74 : x
  2. Step 2: Convert to fraction form
    68,011.11/101,558.52 = 55,555.74/x
  3. Step 3: Cross multiply
    68,011.11x = 101,558.52 × 55,555.74
  4. Step 4: Simplify right side
    68,011.11x = 5,642,158,731.90
  5. Step 5: Solve for x
    x = 5,642,158,731.90/68,011.11
  6. Step 6: Final answer
    x = 82,959.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.