Home / 125,735.72-173,511.83-69,147.10

Finding the Fourth Proportional to 125,735.72, 173,511.83 and 69,147.10

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Solution

The fourth proportional to 125,735.72, 173,511.83 and 69,147.10 is: 95,421.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,735.72 : 173,511.83 = 69,147.10 : x
  2. Step 2: Convert to fraction form
    125,735.72/173,511.83 = 69,147.10/x
  3. Step 3: Cross multiply
    125,735.72x = 173,511.83 × 69,147.10
  4. Step 4: Simplify right side
    125,735.72x = 11,997,838,646.90
  5. Step 5: Solve for x
    x = 11,997,838,646.90/125,735.72
  6. Step 6: Final answer
    x = 95,421.08

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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.