Home / 102,555.68-153,851.58-35,071.85

Finding the Fourth Proportional to 102,555.68, 153,851.58 and 35,071.85

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Solution

The fourth proportional to 102,555.68, 153,851.58 and 35,071.85 is: 52,613.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,555.68 : 153,851.58 = 35,071.85 : x
  2. Step 2: Convert to fraction form
    102,555.68/153,851.58 = 35,071.85/x
  3. Step 3: Cross multiply
    102,555.68x = 153,851.58 × 35,071.85
  4. Step 4: Simplify right side
    102,555.68x = 5,395,859,920.65
  5. Step 5: Solve for x
    x = 5,395,859,920.65/102,555.68
  6. Step 6: Final answer
    x = 52,613.95

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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.