Home / 107,810.12-161,746.38-44,618.58

Finding the Fourth Proportional to 107,810.12, 161,746.38 and 44,618.58

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Solution

The fourth proportional to 107,810.12, 161,746.38 and 44,618.58 is: 66,940.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,810.12 : 161,746.38 = 44,618.58 : x
  2. Step 2: Convert to fraction form
    107,810.12/161,746.38 = 44,618.58/x
  3. Step 3: Cross multiply
    107,810.12x = 161,746.38 × 44,618.58
  4. Step 4: Simplify right side
    107,810.12x = 7,216,893,795.74
  5. Step 5: Solve for x
    x = 7,216,893,795.74/107,810.12
  6. Step 6: Final answer
    x = 66,940.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.