Home / 81,016.29-111,802.23-45,205.92

Finding the Fourth Proportional to 81,016.29, 111,802.23 and 45,205.92

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Solution

The fourth proportional to 81,016.29, 111,802.23 and 45,205.92 is: 62,384.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,016.29 : 111,802.23 = 45,205.92 : x
  2. Step 2: Convert to fraction form
    81,016.29/111,802.23 = 45,205.92/x
  3. Step 3: Cross multiply
    81,016.29x = 111,802.23 × 45,205.92
  4. Step 4: Simplify right side
    81,016.29x = 5,054,122,665.20
  5. Step 5: Solve for x
    x = 5,054,122,665.20/81,016.29
  6. Step 6: Final answer
    x = 62,384.03

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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.