Home / 103,437.70-155,233.35-41,152.90

Finding the Fourth Proportional to 103,437.70, 155,233.35 and 41,152.90

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Solution

The fourth proportional to 103,437.70, 155,233.35 and 41,152.90 is: 61,759.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,437.70 : 155,233.35 = 41,152.90 : x
  2. Step 2: Convert to fraction form
    103,437.70/155,233.35 = 41,152.90/x
  3. Step 3: Cross multiply
    103,437.70x = 155,233.35 × 41,152.90
  4. Step 4: Simplify right side
    103,437.70x = 6,388,302,529.22
  5. Step 5: Solve for x
    x = 6,388,302,529.22/103,437.70
  6. Step 6: Final answer
    x = 61,759.91

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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.