Home / 80,556.12-111,164.32-44,748.40

Finding the Fourth Proportional to 80,556.12, 111,164.32 and 44,748.40

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Solution

The fourth proportional to 80,556.12, 111,164.32 and 44,748.40 is: 61,751.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,556.12 : 111,164.32 = 44,748.40 : x
  2. Step 2: Convert to fraction form
    80,556.12/111,164.32 = 44,748.40/x
  3. Step 3: Cross multiply
    80,556.12x = 111,164.32 × 44,748.40
  4. Step 4: Simplify right side
    80,556.12x = 4,974,425,457.09
  5. Step 5: Solve for x
    x = 4,974,425,457.09/80,556.12
  6. Step 6: Final answer
    x = 61,751.06

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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.