Home / 95,128.84-142,709.66-42,542.42

Finding the Fourth Proportional to 95,128.84, 142,709.66 and 42,542.42

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Solution

The fourth proportional to 95,128.84, 142,709.66 and 42,542.42 is: 63,820.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,128.84 : 142,709.66 = 42,542.42 : x
  2. Step 2: Convert to fraction form
    95,128.84/142,709.66 = 42,542.42/x
  3. Step 3: Cross multiply
    95,128.84x = 142,709.66 × 42,542.42
  4. Step 4: Simplify right side
    95,128.84x = 6,071,214,081.07
  5. Step 5: Solve for x
    x = 6,071,214,081.07/95,128.84
  6. Step 6: Final answer
    x = 63,820.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.