Home / 55,633.08-76,766.16-31,758.24

Finding the Fourth Proportional to 55,633.08, 76,766.16 and 31,758.24

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Solution

The fourth proportional to 55,633.08, 76,766.16 and 31,758.24 is: 43,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,633.08 : 76,766.16 = 31,758.24 : x
  2. Step 2: Convert to fraction form
    55,633.08/76,766.16 = 31,758.24/x
  3. Step 3: Cross multiply
    55,633.08x = 76,766.16 × 31,758.24
  4. Step 4: Simplify right side
    55,633.08x = 2,437,958,133.16
  5. Step 5: Solve for x
    x = 2,437,958,133.16/55,633.08
  6. Step 6: Final answer
    x = 43,822.10

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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.