Home / 77,301.02-115,743.68-49,068.24

Finding the Fourth Proportional to 77,301.02, 115,743.68 and 49,068.24

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Solution

The fourth proportional to 77,301.02, 115,743.68 and 49,068.24 is: 73,470.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,301.02 : 115,743.68 = 49,068.24 : x
  2. Step 2: Convert to fraction form
    77,301.02/115,743.68 = 49,068.24/x
  3. Step 3: Cross multiply
    77,301.02x = 115,743.68 × 49,068.24
  4. Step 4: Simplify right side
    77,301.02x = 5,679,338,668.72
  5. Step 5: Solve for x
    x = 5,679,338,668.72/77,301.02
  6. Step 6: Final answer
    x = 73,470.42

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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.