Home / 81,110.65-111,929.26-46,652.75

Finding the Fourth Proportional to 81,110.65, 111,929.26 and 46,652.75

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Solution

The fourth proportional to 81,110.65, 111,929.26 and 46,652.75 is: 64,378.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,110.65 : 111,929.26 = 46,652.75 : x
  2. Step 2: Convert to fraction form
    81,110.65/111,929.26 = 46,652.75/x
  3. Step 3: Cross multiply
    81,110.65x = 111,929.26 × 46,652.75
  4. Step 4: Simplify right side
    81,110.65x = 5,221,808,412.32
  5. Step 5: Solve for x
    x = 5,221,808,412.32/81,110.65
  6. Step 6: Final answer
    x = 64,378.83

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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.