Home / 81,703.24-112,747.56-49,925.32

Finding the Fourth Proportional to 81,703.24, 112,747.56 and 49,925.32

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Solution

The fourth proportional to 81,703.24, 112,747.56 and 49,925.32 is: 68,895.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,703.24 : 112,747.56 = 49,925.32 : x
  2. Step 2: Convert to fraction form
    81,703.24/112,747.56 = 49,925.32/x
  3. Step 3: Cross multiply
    81,703.24x = 112,747.56 × 49,925.32
  4. Step 4: Simplify right side
    81,703.24x = 5,628,958,012.22
  5. Step 5: Solve for x
    x = 5,628,958,012.22/81,703.24
  6. Step 6: Final answer
    x = 68,895.16

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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.