Home / 112,036.37-167,659.65-69,936.21

Finding the Fourth Proportional to 112,036.37, 167,659.65 and 69,936.21

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Solution

The fourth proportional to 112,036.37, 167,659.65 and 69,936.21 is: 104,657.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,036.37 : 167,659.65 = 69,936.21 : x
  2. Step 2: Convert to fraction form
    112,036.37/167,659.65 = 69,936.21/x
  3. Step 3: Cross multiply
    112,036.37x = 167,659.65 × 69,936.21
  4. Step 4: Simplify right side
    112,036.37x = 11,725,480,490.93
  5. Step 5: Solve for x
    x = 11,725,480,490.93/112,036.37
  6. Step 6: Final answer
    x = 104,657.81

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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.