Home / 84,001.75-126,003.57-35,963.89

Finding the Fourth Proportional to 84,001.75, 126,003.57 and 35,963.89

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Solution

The fourth proportional to 84,001.75, 126,003.57 and 35,963.89 is: 53,946.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,001.75 : 126,003.57 = 35,963.89 : x
  2. Step 2: Convert to fraction form
    84,001.75/126,003.57 = 35,963.89/x
  3. Step 3: Cross multiply
    84,001.75x = 126,003.57 × 35,963.89
  4. Step 4: Simplify right side
    84,001.75x = 4,531,578,531.09
  5. Step 5: Solve for x
    x = 4,531,578,531.09/84,001.75
  6. Step 6: Final answer
    x = 53,946.24

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1.5x scale

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.