Home / 101,455.04-152,201.69-31,317.95

Finding the Fourth Proportional to 101,455.04, 152,201.69 and 31,317.95

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Solution

The fourth proportional to 101,455.04, 152,201.69 and 31,317.95 is: 46,982.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,455.04 : 152,201.69 = 31,317.95 : x
  2. Step 2: Convert to fraction form
    101,455.04/152,201.69 = 31,317.95/x
  3. Step 3: Cross multiply
    101,455.04x = 152,201.69 × 31,317.95
  4. Step 4: Simplify right side
    101,455.04x = 4,766,643,999.74
  5. Step 5: Solve for x
    x = 4,766,643,999.74/101,455.04
  6. Step 6: Final answer
    x = 46,982.82

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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.