Home / 125,330.69-172,959.05-68,741.93

Finding the Fourth Proportional to 125,330.69, 172,959.05 and 68,741.93

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Solution

The fourth proportional to 125,330.69, 172,959.05 and 68,741.93 is: 94,865.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,330.69 : 172,959.05 = 68,741.93 : x
  2. Step 2: Convert to fraction form
    125,330.69/172,959.05 = 68,741.93/x
  3. Step 3: Cross multiply
    125,330.69x = 172,959.05 × 68,741.93
  4. Step 4: Simplify right side
    125,330.69x = 11,889,538,907.97
  5. Step 5: Solve for x
    x = 11,889,538,907.97/125,330.69
  6. Step 6: Final answer
    x = 94,865.34

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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.