Home / 112,955.35-169,378.30-34,054.87

Finding the Fourth Proportional to 112,955.35, 169,378.30 and 34,054.87

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Solution

The fourth proportional to 112,955.35, 169,378.30 and 34,054.87 is: 51,065.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,955.35 : 169,378.30 = 34,054.87 : x
  2. Step 2: Convert to fraction form
    112,955.35/169,378.30 = 34,054.87/x
  3. Step 3: Cross multiply
    112,955.35x = 169,378.30 × 34,054.87
  4. Step 4: Simplify right side
    112,955.35x = 5,768,155,987.32
  5. Step 5: Solve for x
    x = 5,768,155,987.32/112,955.35
  6. Step 6: Final answer
    x = 51,065.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.