Home / 81,050.70-111,841.91-44,749.79

Finding the Fourth Proportional to 81,050.70, 111,841.91 and 44,749.79

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Solution

The fourth proportional to 81,050.70, 111,841.91 and 44,749.79 is: 61,750.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,050.70 : 111,841.91 = 44,749.79 : x
  2. Step 2: Convert to fraction form
    81,050.70/111,841.91 = 44,749.79/x
  3. Step 3: Cross multiply
    81,050.70x = 111,841.91 × 44,749.79
  4. Step 4: Simplify right side
    81,050.70x = 5,004,901,482.35
  5. Step 5: Solve for x
    x = 5,004,901,482.35/81,050.70
  6. Step 6: Final answer
    x = 61,750.26

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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.