Home / 112,463.35-155,199.43-61,476.28

Finding the Fourth Proportional to 112,463.35, 155,199.43 and 61,476.28

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Solution

The fourth proportional to 112,463.35, 155,199.43 and 61,476.28 is: 84,837.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,463.35 : 155,199.43 = 61,476.28 : x
  2. Step 2: Convert to fraction form
    112,463.35/155,199.43 = 61,476.28/x
  3. Step 3: Cross multiply
    112,463.35x = 155,199.43 × 61,476.28
  4. Step 4: Simplify right side
    112,463.35x = 9,541,083,614.52
  5. Step 5: Solve for x
    x = 9,541,083,614.52/112,463.35
  6. Step 6: Final answer
    x = 84,837.27

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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.