Home / 112,750.94-155,594.61-61,763.27

Finding the Fourth Proportional to 112,750.94, 155,594.61 and 61,763.27

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Solution

The fourth proportional to 112,750.94, 155,594.61 and 61,763.27 is: 85,232.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,750.94 : 155,594.61 = 61,763.27 : x
  2. Step 2: Convert to fraction form
    112,750.94/155,594.61 = 61,763.27/x
  3. Step 3: Cross multiply
    112,750.94x = 155,594.61 × 61,763.27
  4. Step 4: Simplify right side
    112,750.94x = 9,610,031,907.97
  5. Step 5: Solve for x
    x = 9,610,031,907.97/112,750.94
  6. Step 6: Final answer
    x = 85,232.39

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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.