Home / 92,643.13-138,972.90-26,083.84

Finding the Fourth Proportional to 92,643.13, 138,972.90 and 26,083.84

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Solution

The fourth proportional to 92,643.13, 138,972.90 and 26,083.84 is: 39,128.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,643.13 : 138,972.90 = 26,083.84 : x
  2. Step 2: Convert to fraction form
    92,643.13/138,972.90 = 26,083.84/x
  3. Step 3: Cross multiply
    92,643.13x = 138,972.90 × 26,083.84
  4. Step 4: Simplify right side
    92,643.13x = 3,624,946,887.94
  5. Step 5: Solve for x
    x = 3,624,946,887.94/92,643.13
  6. Step 6: Final answer
    x = 39,128.07

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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.