Home / 125,055.38-172,576.43-68,466.76

Finding the Fourth Proportional to 125,055.38, 172,576.43 and 68,466.76

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Solution

The fourth proportional to 125,055.38, 172,576.43 and 68,466.76 is: 94,484.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,055.38 : 172,576.43 = 68,466.76 : x
  2. Step 2: Convert to fraction form
    125,055.38/172,576.43 = 68,466.76/x
  3. Step 3: Cross multiply
    125,055.38x = 172,576.43 × 68,466.76
  4. Step 4: Simplify right side
    125,055.38x = 11,815,749,014.47
  5. Step 5: Solve for x
    x = 11,815,749,014.47/125,055.38
  6. Step 6: Final answer
    x = 94,484.13

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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.