Home / 71,582.73-98,784.36-39,751.65

Finding the Fourth Proportional to 71,582.73, 98,784.36 and 39,751.65

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Solution

The fourth proportional to 71,582.73, 98,784.36 and 39,751.65 is: 54,857.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,582.73 : 98,784.36 = 39,751.65 : x
  2. Step 2: Convert to fraction form
    71,582.73/98,784.36 = 39,751.65/x
  3. Step 3: Cross multiply
    71,582.73x = 98,784.36 × 39,751.65
  4. Step 4: Simplify right side
    71,582.73x = 3,926,841,304.19
  5. Step 5: Solve for x
    x = 3,926,841,304.19/71,582.73
  6. Step 6: Final answer
    x = 54,857.38

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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.