Home / 109,902.33-151,668.59-62,154.65

Finding the Fourth Proportional to 109,902.33, 151,668.59 and 62,154.65

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Solution

The fourth proportional to 109,902.33, 151,668.59 and 62,154.65 is: 85,775.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,902.33 : 151,668.59 = 62,154.65 : x
  2. Step 2: Convert to fraction form
    109,902.33/151,668.59 = 62,154.65/x
  3. Step 3: Cross multiply
    109,902.33x = 151,668.59 × 62,154.65
  4. Step 4: Simplify right side
    109,902.33x = 9,426,908,195.84
  5. Step 5: Solve for x
    x = 9,426,908,195.84/109,902.33
  6. Step 6: Final answer
    x = 85,775.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.