Home / 120,907.92-181,085.27-57,772.41

Finding the Fourth Proportional to 120,907.92, 181,085.27 and 57,772.41

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Solution

The fourth proportional to 120,907.92, 181,085.27 and 57,772.41 is: 86,526.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,907.92 : 181,085.27 = 57,772.41 : x
  2. Step 2: Convert to fraction form
    120,907.92/181,085.27 = 57,772.41/x
  3. Step 3: Cross multiply
    120,907.92x = 181,085.27 × 57,772.41
  4. Step 4: Simplify right side
    120,907.92x = 10,461,733,348.35
  5. Step 5: Solve for x
    x = 10,461,733,348.35/120,907.92
  6. Step 6: Final answer
    x = 86,526.46

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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.