Home / 98,905.74-148,365.45-39,741.48

Finding the Fourth Proportional to 98,905.74, 148,365.45 and 39,741.48

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Solution

The fourth proportional to 98,905.74, 148,365.45 and 39,741.48 is: 59,614.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,905.74 : 148,365.45 = 39,741.48 : x
  2. Step 2: Convert to fraction form
    98,905.74/148,365.45 = 39,741.48/x
  3. Step 3: Cross multiply
    98,905.74x = 148,365.45 × 39,741.48
  4. Step 4: Simplify right side
    98,905.74x = 5,896,262,563.87
  5. Step 5: Solve for x
    x = 5,896,262,563.87/98,905.74
  6. Step 6: Final answer
    x = 59,614.97

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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.