Home / 98,021.12-147,009.60-27,898.88

Finding the Fourth Proportional to 98,021.12, 147,009.60 and 27,898.88

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Solution

The fourth proportional to 98,021.12, 147,009.60 and 27,898.88 is: 41,842.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,021.12 : 147,009.60 = 27,898.88 : x
  2. Step 2: Convert to fraction form
    98,021.12/147,009.60 = 27,898.88/x
  3. Step 3: Cross multiply
    98,021.12x = 147,009.60 × 27,898.88
  4. Step 4: Simplify right side
    98,021.12x = 4,101,403,189.25
  5. Step 5: Solve for x
    x = 4,101,403,189.25/98,021.12
  6. Step 6: Final answer
    x = 41,842.04

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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.