Home / 112,396.43-155,102.49-61,410.93

Finding the Fourth Proportional to 112,396.43, 155,102.49 and 61,410.93

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Solution

The fourth proportional to 112,396.43, 155,102.49 and 61,410.93 is: 84,744.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,396.43 : 155,102.49 = 61,410.93 : x
  2. Step 2: Convert to fraction form
    112,396.43/155,102.49 = 61,410.93/x
  3. Step 3: Cross multiply
    112,396.43x = 155,102.49 × 61,410.93
  4. Step 4: Simplify right side
    112,396.43x = 9,524,988,156.22
  5. Step 5: Solve for x
    x = 9,524,988,156.22/112,396.43
  6. Step 6: Final answer
    x = 84,744.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.