Home / 95,145.78-131,300.82-52,703.40

Finding the Fourth Proportional to 95,145.78, 131,300.82 and 52,703.40

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Solution

The fourth proportional to 95,145.78, 131,300.82 and 52,703.40 is: 72,730.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,145.78 : 131,300.82 = 52,703.40 : x
  2. Step 2: Convert to fraction form
    95,145.78/131,300.82 = 52,703.40/x
  3. Step 3: Cross multiply
    95,145.78x = 131,300.82 × 52,703.40
  4. Step 4: Simplify right side
    95,145.78x = 6,919,999,636.79
  5. Step 5: Solve for x
    x = 6,919,999,636.79/95,145.78
  6. Step 6: Final answer
    x = 72,730.49

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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.