Home / 82,158.80-113,398.06-48,178.23

Finding the Fourth Proportional to 82,158.80, 113,398.06 and 48,178.23

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Solution

The fourth proportional to 82,158.80, 113,398.06 and 48,178.23 is: 66,497.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,158.80 : 113,398.06 = 48,178.23 : x
  2. Step 2: Convert to fraction form
    82,158.80/113,398.06 = 48,178.23/x
  3. Step 3: Cross multiply
    82,158.80x = 113,398.06 × 48,178.23
  4. Step 4: Simplify right side
    82,158.80x = 5,463,317,816.23
  5. Step 5: Solve for x
    x = 5,463,317,816.23/82,158.80
  6. Step 6: Final answer
    x = 66,497.05

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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.