Home / 121,648.69-182,512.14-58,473.39

Finding the Fourth Proportional to 121,648.69, 182,512.14 and 58,473.39

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Solution

The fourth proportional to 121,648.69, 182,512.14 and 58,473.39 is: 87,728.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,648.69 : 182,512.14 = 58,473.39 : x
  2. Step 2: Convert to fraction form
    121,648.69/182,512.14 = 58,473.39/x
  3. Step 3: Cross multiply
    121,648.69x = 182,512.14 × 58,473.39
  4. Step 4: Simplify right side
    121,648.69x = 10,672,104,007.10
  5. Step 5: Solve for x
    x = 10,672,104,007.10/121,648.69
  6. Step 6: Final answer
    x = 87,728.89

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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.