Home / 107,515.08-161,274.84-39,124.29

Finding the Fourth Proportional to 107,515.08, 161,274.84 and 39,124.29

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Solution

The fourth proportional to 107,515.08, 161,274.84 and 39,124.29 is: 58,687.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,515.08 : 161,274.84 = 39,124.29 : x
  2. Step 2: Convert to fraction form
    107,515.08/161,274.84 = 39,124.29/x
  3. Step 3: Cross multiply
    107,515.08x = 161,274.84 × 39,124.29
  4. Step 4: Simplify right side
    107,515.08x = 6,309,762,607.87
  5. Step 5: Solve for x
    x = 6,309,762,607.87/107,515.08
  6. Step 6: Final answer
    x = 58,687.24

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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.