Home / 81,417.44-112,292.88-54,551.36

Finding the Fourth Proportional to 81,417.44, 112,292.88 and 54,551.36

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Solution

The fourth proportional to 81,417.44, 112,292.88 and 54,551.36 is: 75,238.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,417.44 : 112,292.88 = 54,551.36 : x
  2. Step 2: Convert to fraction form
    81,417.44/112,292.88 = 54,551.36/x
  3. Step 3: Cross multiply
    81,417.44x = 112,292.88 × 54,551.36
  4. Step 4: Simplify right side
    81,417.44x = 6,125,729,322.32
  5. Step 5: Solve for x
    x = 6,125,729,322.32/81,417.44
  6. Step 6: Final answer
    x = 75,238.54

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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.