Home / 107,813.30-161,719.98-32,929.40

Finding the Fourth Proportional to 107,813.30, 161,719.98 and 32,929.40

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Solution

The fourth proportional to 107,813.30, 161,719.98 and 32,929.40 is: 49,394.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,813.30 : 161,719.98 = 32,929.40 : x
  2. Step 2: Convert to fraction form
    107,813.30/161,719.98 = 32,929.40/x
  3. Step 3: Cross multiply
    107,813.30x = 161,719.98 × 32,929.40
  4. Step 4: Simplify right side
    107,813.30x = 5,325,341,909.41
  5. Step 5: Solve for x
    x = 5,325,341,909.41/107,813.30
  6. Step 6: Final answer
    x = 49,394.11

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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.