Home / 98,018.48-147,029.40-27,899.60

Finding the Fourth Proportional to 98,018.48, 147,029.40 and 27,899.60

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Solution

The fourth proportional to 98,018.48, 147,029.40 and 27,899.60 is: 41,849.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,018.48 : 147,029.40 = 27,899.60 : x
  2. Step 2: Convert to fraction form
    98,018.48/147,029.40 = 27,899.60/x
  3. Step 3: Cross multiply
    98,018.48x = 147,029.40 × 27,899.60
  4. Step 4: Simplify right side
    98,018.48x = 4,102,061,448.24
  5. Step 5: Solve for x
    x = 4,102,061,448.24/98,018.48
  6. Step 6: Final answer
    x = 41,849.88

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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.