Home / 127,009.08-175,274.40-69,653.58

Finding the Fourth Proportional to 127,009.08, 175,274.40 and 69,653.58

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Solution

The fourth proportional to 127,009.08, 175,274.40 and 69,653.58 is: 96,122.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,009.08 : 175,274.40 = 69,653.58 : x
  2. Step 2: Convert to fraction form
    127,009.08/175,274.40 = 69,653.58/x
  3. Step 3: Cross multiply
    127,009.08x = 175,274.40 × 69,653.58
  4. Step 4: Simplify right side
    127,009.08x = 12,208,489,442.35
  5. Step 5: Solve for x
    x = 12,208,489,442.35/127,009.08
  6. Step 6: Final answer
    x = 96,122.97

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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.