Home / 107,557.11-161,361.18-36,478.40

Finding the Fourth Proportional to 107,557.11, 161,361.18 and 36,478.40

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Solution

The fourth proportional to 107,557.11, 161,361.18 and 36,478.40 is: 54,726.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,557.11 : 161,361.18 = 36,478.40 : x
  2. Step 2: Convert to fraction form
    107,557.11/161,361.18 = 36,478.40/x
  3. Step 3: Cross multiply
    107,557.11x = 161,361.18 × 36,478.40
  4. Step 4: Simplify right side
    107,557.11x = 5,886,196,861.71
  5. Step 5: Solve for x
    x = 5,886,196,861.71/107,557.11
  6. Step 6: Final answer
    x = 54,726.25

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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.