Home / 72,941.16-109,395.12-26,193.90

Finding the Fourth Proportional to 72,941.16, 109,395.12 and 26,193.90

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Solution

The fourth proportional to 72,941.16, 109,395.12 and 26,193.90 is: 39,284.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,941.16 : 109,395.12 = 26,193.90 : x
  2. Step 2: Convert to fraction form
    72,941.16/109,395.12 = 26,193.90/x
  3. Step 3: Cross multiply
    72,941.16x = 109,395.12 × 26,193.90
  4. Step 4: Simplify right side
    72,941.16x = 2,865,484,833.77
  5. Step 5: Solve for x
    x = 2,865,484,833.77/72,941.16
  6. Step 6: Final answer
    x = 39,284.88

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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.