Home / 101,639.10-152,261.82-49,085.49

Finding the Fourth Proportional to 101,639.10, 152,261.82 and 49,085.49

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Solution

The fourth proportional to 101,639.10, 152,261.82 and 49,085.49 is: 73,533.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,639.10 : 152,261.82 = 49,085.49 : x
  2. Step 2: Convert to fraction form
    101,639.10/152,261.82 = 49,085.49/x
  3. Step 3: Cross multiply
    101,639.10x = 152,261.82 × 49,085.49
  4. Step 4: Simplify right side
    101,639.10x = 7,473,845,797.56
  5. Step 5: Solve for x
    x = 7,473,845,797.56/101,639.10
  6. Step 6: Final answer
    x = 73,533.18

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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.