Home / 101,011.06-151,515.59-38,681.56

Finding the Fourth Proportional to 101,011.06, 151,515.59 and 38,681.56

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Solution

The fourth proportional to 101,011.06, 151,515.59 and 38,681.56 is: 58,021.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,011.06 : 151,515.59 = 38,681.56 : x
  2. Step 2: Convert to fraction form
    101,011.06/151,515.59 = 38,681.56/x
  3. Step 3: Cross multiply
    101,011.06x = 151,515.59 × 38,681.56
  4. Step 4: Simplify right side
    101,011.06x = 5,860,858,813.32
  5. Step 5: Solve for x
    x = 5,860,858,813.32/101,011.06
  6. Step 6: Final answer
    x = 58,021.95

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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.