Home / 84,890.22-127,160.37-49,723.26

Finding the Fourth Proportional to 84,890.22, 127,160.37 and 49,723.26

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Solution

The fourth proportional to 84,890.22, 127,160.37 and 49,723.26 is: 74,482.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,890.22 : 127,160.37 = 49,723.26 : x
  2. Step 2: Convert to fraction form
    84,890.22/127,160.37 = 49,723.26/x
  3. Step 3: Cross multiply
    84,890.22x = 127,160.37 × 49,723.26
  4. Step 4: Simplify right side
    84,890.22x = 6,322,828,139.21
  5. Step 5: Solve for x
    x = 6,322,828,139.21/84,890.22
  6. Step 6: Final answer
    x = 74,482.41

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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.