Home / 77,254.07-106,615.97-43,265.36

Finding the Fourth Proportional to 77,254.07, 106,615.97 and 43,265.36

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Solution

The fourth proportional to 77,254.07, 106,615.97 and 43,265.36 is: 59,709.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,254.07 : 106,615.97 = 43,265.36 : x
  2. Step 2: Convert to fraction form
    77,254.07/106,615.97 = 43,265.36/x
  3. Step 3: Cross multiply
    77,254.07x = 106,615.97 × 43,265.36
  4. Step 4: Simplify right side
    77,254.07x = 4,612,777,574.39
  5. Step 5: Solve for x
    x = 4,612,777,574.39/77,254.07
  6. Step 6: Final answer
    x = 59,709.19

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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.