Home / 84,890.24-127,160.36-49,723.28

Finding the Fourth Proportional to 84,890.24, 127,160.36 and 49,723.28

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Solution

The fourth proportional to 84,890.24, 127,160.36 and 49,723.28 is: 74,482.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,890.24 : 127,160.36 = 49,723.28 : x
  2. Step 2: Convert to fraction form
    84,890.24/127,160.36 = 49,723.28/x
  3. Step 3: Cross multiply
    84,890.24x = 127,160.36 × 49,723.28
  4. Step 4: Simplify right side
    84,890.24x = 6,322,830,185.18
  5. Step 5: Solve for x
    x = 6,322,830,185.18/84,890.24
  6. Step 6: Final answer
    x = 74,482.42

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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.