Home / 66,870.23-100,320.69-22,495.83

Finding the Fourth Proportional to 66,870.23, 100,320.69 and 22,495.83

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Solution

The fourth proportional to 66,870.23, 100,320.69 and 22,495.83 is: 33,748.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,870.23 : 100,320.69 = 22,495.83 : x
  2. Step 2: Convert to fraction form
    66,870.23/100,320.69 = 22,495.83/x
  3. Step 3: Cross multiply
    66,870.23x = 100,320.69 × 22,495.83
  4. Step 4: Simplify right side
    66,870.23x = 2,256,796,895.88
  5. Step 5: Solve for x
    x = 2,256,796,895.88/66,870.23
  6. Step 6: Final answer
    x = 33,748.91

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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.