Home / 82,438.02-113,776.69-52,226.14

Finding the Fourth Proportional to 82,438.02, 113,776.69 and 52,226.14

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Solution

The fourth proportional to 82,438.02, 113,776.69 and 52,226.14 is: 72,079.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,438.02 : 113,776.69 = 52,226.14 : x
  2. Step 2: Convert to fraction form
    82,438.02/113,776.69 = 52,226.14/x
  3. Step 3: Cross multiply
    82,438.02x = 113,776.69 × 52,226.14
  4. Step 4: Simplify right side
    82,438.02x = 5,942,117,340.68
  5. Step 5: Solve for x
    x = 5,942,117,340.68/82,438.02
  6. Step 6: Final answer
    x = 72,079.82

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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.