Home / 82,221.36-123,364.80-48,957.12

Finding the Fourth Proportional to 82,221.36, 123,364.80 and 48,957.12

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Solution

The fourth proportional to 82,221.36, 123,364.80 and 48,957.12 is: 73,455.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,221.36 : 123,364.80 = 48,957.12 : x
  2. Step 2: Convert to fraction form
    82,221.36/123,364.80 = 48,957.12/x
  3. Step 3: Cross multiply
    82,221.36x = 123,364.80 × 48,957.12
  4. Step 4: Simplify right side
    82,221.36x = 6,039,585,317.38
  5. Step 5: Solve for x
    x = 6,039,585,317.38/82,221.36
  6. Step 6: Final answer
    x = 73,455.19

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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.