Home / 103,621.15-155,431.73-37,063.45

Finding the Fourth Proportional to 103,621.15, 155,431.73 and 37,063.45

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Solution

The fourth proportional to 103,621.15, 155,431.73 and 37,063.45 is: 55,595.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,621.15 : 155,431.73 = 37,063.45 : x
  2. Step 2: Convert to fraction form
    103,621.15/155,431.73 = 37,063.45/x
  3. Step 3: Cross multiply
    103,621.15x = 155,431.73 × 37,063.45
  4. Step 4: Simplify right side
    103,621.15x = 5,760,836,153.27
  5. Step 5: Solve for x
    x = 5,760,836,153.27/103,621.15
  6. Step 6: Final answer
    x = 55,595.18

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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.