Home / 84,362.03-126,480.02-51,074.09

Finding the Fourth Proportional to 84,362.03, 126,480.02 and 51,074.09

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Solution

The fourth proportional to 84,362.03, 126,480.02 and 51,074.09 is: 76,572.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,362.03 : 126,480.02 = 51,074.09 : x
  2. Step 2: Convert to fraction form
    84,362.03/126,480.02 = 51,074.09/x
  3. Step 3: Cross multiply
    84,362.03x = 126,480.02 × 51,074.09
  4. Step 4: Simplify right side
    84,362.03x = 6,459,851,036.91
  5. Step 5: Solve for x
    x = 6,459,851,036.91/84,362.03
  6. Step 6: Final answer
    x = 76,572.97

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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.