Home / 112,932.30-155,844.26-62,631.30

Finding the Fourth Proportional to 112,932.30, 155,844.26 and 62,631.30

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Solution

The fourth proportional to 112,932.30, 155,844.26 and 62,631.30 is: 86,429.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,932.30 : 155,844.26 = 62,631.30 : x
  2. Step 2: Convert to fraction form
    112,932.30/155,844.26 = 62,631.30/x
  3. Step 3: Cross multiply
    112,932.30x = 155,844.26 × 62,631.30
  4. Step 4: Simplify right side
    112,932.30x = 9,760,728,601.34
  5. Step 5: Solve for x
    x = 9,760,728,601.34/112,932.30
  6. Step 6: Final answer
    x = 86,429.91

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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.