Home / 98,001.56-135,225.76-57,723.34

Finding the Fourth Proportional to 98,001.56, 135,225.76 and 57,723.34

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Solution

The fourth proportional to 98,001.56, 135,225.76 and 57,723.34 is: 79,648.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,001.56 : 135,225.76 = 57,723.34 : x
  2. Step 2: Convert to fraction form
    98,001.56/135,225.76 = 57,723.34/x
  3. Step 3: Cross multiply
    98,001.56x = 135,225.76 × 57,723.34
  4. Step 4: Simplify right side
    98,001.56x = 7,805,682,063.59
  5. Step 5: Solve for x
    x = 7,805,682,063.59/98,001.56
  6. Step 6: Final answer
    x = 79,648.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.