Home / 107,865.17-161,870.66-37,745.09

Finding the Fourth Proportional to 107,865.17, 161,870.66 and 37,745.09

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Solution

The fourth proportional to 107,865.17, 161,870.66 and 37,745.09 is: 56,643.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,865.17 : 161,870.66 = 37,745.09 : x
  2. Step 2: Convert to fraction form
    107,865.17/161,870.66 = 37,745.09/x
  3. Step 3: Cross multiply
    107,865.17x = 161,870.66 × 37,745.09
  4. Step 4: Simplify right side
    107,865.17x = 6,109,822,441.33
  5. Step 5: Solve for x
    x = 6,109,822,441.33/107,865.17
  6. Step 6: Final answer
    x = 56,643.14

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1.5x scale

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.