Home / 101,824.18-152,537.59-66,657.22

Finding the Fourth Proportional to 101,824.18, 152,537.59 and 66,657.22

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Solution

The fourth proportional to 101,824.18, 152,537.59 and 66,657.22 is: 99,855.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,824.18 : 152,537.59 = 66,657.22 : x
  2. Step 2: Convert to fraction form
    101,824.18/152,537.59 = 66,657.22/x
  3. Step 3: Cross multiply
    101,824.18x = 152,537.59 × 66,657.22
  4. Step 4: Simplify right side
    101,824.18x = 10,167,731,694.90
  5. Step 5: Solve for x
    x = 10,167,731,694.90/101,824.18
  6. Step 6: Final answer
    x = 99,855.77

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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.