Home / 61,980.14-92,918.38-28,724.04

Finding the Fourth Proportional to 61,980.14, 92,918.38 and 28,724.04

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Solution

The fourth proportional to 61,980.14, 92,918.38 and 28,724.04 is: 43,062.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,980.14 : 92,918.38 = 28,724.04 : x
  2. Step 2: Convert to fraction form
    61,980.14/92,918.38 = 28,724.04/x
  3. Step 3: Cross multiply
    61,980.14x = 92,918.38 × 28,724.04
  4. Step 4: Simplify right side
    61,980.14x = 2,668,991,263.86
  5. Step 5: Solve for x
    x = 2,668,991,263.86/61,980.14
  6. Step 6: Final answer
    x = 43,062.04

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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.