Home / 84,512.82-126,582.36-57,795.50

Finding the Fourth Proportional to 84,512.82, 126,582.36 and 57,795.50

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Solution

The fourth proportional to 84,512.82, 126,582.36 and 57,795.50 is: 86,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,512.82 : 126,582.36 = 57,795.50 : x
  2. Step 2: Convert to fraction form
    84,512.82/126,582.36 = 57,795.50/x
  3. Step 3: Cross multiply
    84,512.82x = 126,582.36 × 57,795.50
  4. Step 4: Simplify right side
    84,512.82x = 7,315,890,154.47
  5. Step 5: Solve for x
    x = 7,315,890,154.47/84,512.82
  6. Step 6: Final answer
    x = 86,565.45

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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.