Home / 98,789.48-148,190.60-34,739.76

Finding the Fourth Proportional to 98,789.48, 148,190.60 and 34,739.76

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Solution

The fourth proportional to 98,789.48, 148,190.60 and 34,739.76 is: 52,111.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,789.48 : 148,190.60 = 34,739.76 : x
  2. Step 2: Convert to fraction form
    98,789.48/148,190.60 = 34,739.76/x
  3. Step 3: Cross multiply
    98,789.48x = 148,190.60 × 34,739.76
  4. Step 4: Simplify right side
    98,789.48x = 5,148,105,878.26
  5. Step 5: Solve for x
    x = 5,148,105,878.26/98,789.48
  6. Step 6: Final answer
    x = 52,111.88

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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.