Home / 81,393.39-112,320.27-45,093.36

Finding the Fourth Proportional to 81,393.39, 112,320.27 and 45,093.36

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Solution

The fourth proportional to 81,393.39, 112,320.27 and 45,093.36 is: 62,227.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,393.39 : 112,320.27 = 45,093.36 : x
  2. Step 2: Convert to fraction form
    81,393.39/112,320.27 = 45,093.36/x
  3. Step 3: Cross multiply
    81,393.39x = 112,320.27 × 45,093.36
  4. Step 4: Simplify right side
    81,393.39x = 5,064,898,370.41
  5. Step 5: Solve for x
    x = 5,064,898,370.41/81,393.39
  6. Step 6: Final answer
    x = 62,227.39

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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.