Home / 82,109.16-113,296.68-45,802.80

Finding the Fourth Proportional to 82,109.16, 113,296.68 and 45,802.80

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Solution

The fourth proportional to 82,109.16, 113,296.68 and 45,802.80 is: 63,200.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,109.16 : 113,296.68 = 45,802.80 : x
  2. Step 2: Convert to fraction form
    82,109.16/113,296.68 = 45,802.80/x
  3. Step 3: Cross multiply
    82,109.16x = 113,296.68 × 45,802.80
  4. Step 4: Simplify right side
    82,109.16x = 5,189,305,174.70
  5. Step 5: Solve for x
    x = 5,189,305,174.70/82,109.16
  6. Step 6: Final answer
    x = 63,200.08

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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.