Home / 77,448.74-106,877.58-43,456.64

Finding the Fourth Proportional to 77,448.74, 106,877.58 and 43,456.64

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Solution

The fourth proportional to 77,448.74, 106,877.58 and 43,456.64 is: 59,969.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,448.74 : 106,877.58 = 43,456.64 : x
  2. Step 2: Convert to fraction form
    77,448.74/106,877.58 = 43,456.64/x
  3. Step 3: Cross multiply
    77,448.74x = 106,877.58 × 43,456.64
  4. Step 4: Simplify right side
    77,448.74x = 4,644,540,518.13
  5. Step 5: Solve for x
    x = 4,644,540,518.13/77,448.74
  6. Step 6: Final answer
    x = 59,969.22

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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.