Home / 71,117.66-106,682.60-18,527.06

Finding the Fourth Proportional to 71,117.66, 106,682.60 and 18,527.06

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Solution

The fourth proportional to 71,117.66, 106,682.60 and 18,527.06 is: 27,792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,117.66 : 106,682.60 = 18,527.06 : x
  2. Step 2: Convert to fraction form
    71,117.66/106,682.60 = 18,527.06/x
  3. Step 3: Cross multiply
    71,117.66x = 106,682.60 × 18,527.06
  4. Step 4: Simplify right side
    71,117.66x = 1,976,515,244.18
  5. Step 5: Solve for x
    x = 1,976,515,244.18/71,117.66
  6. Step 6: Final answer
    x = 27,792.19

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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.