Home / 77,776.07-116,682.56-25,185.47

Finding the Fourth Proportional to 77,776.07, 116,682.56 and 25,185.47

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Solution

The fourth proportional to 77,776.07, 116,682.56 and 25,185.47 is: 37,784.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,776.07 : 116,682.56 = 25,185.47 : x
  2. Step 2: Convert to fraction form
    77,776.07/116,682.56 = 25,185.47/x
  3. Step 3: Cross multiply
    77,776.07x = 116,682.56 × 25,185.47
  4. Step 4: Simplify right side
    77,776.07x = 2,938,705,114.40
  5. Step 5: Solve for x
    x = 2,938,705,114.40/77,776.07
  6. Step 6: Final answer
    x = 37,784.18

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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.