Home / 112,570.37-155,348.33-61,582

Finding the Fourth Proportional to 112,570.37, 155,348.33 and 61,582

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Solution

The fourth proportional to 112,570.37, 155,348.33 and 61,582 is: 84,983.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,570.37 : 155,348.33 = 61,582 : x
  2. Step 2: Convert to fraction form
    112,570.37/155,348.33 = 61,582/x
  3. Step 3: Cross multiply
    112,570.37x = 155,348.33 × 61,582
  4. Step 4: Simplify right side
    112,570.37x = 9,566,660,858.06
  5. Step 5: Solve for x
    x = 9,566,660,858.06/112,570.37
  6. Step 6: Final answer
    x = 84,983.83

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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.