Home / 77,298.33-106,671.56-43,307.03

Finding the Fourth Proportional to 77,298.33, 106,671.56 and 43,307.03

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Solution

The fourth proportional to 77,298.33, 106,671.56 and 43,307.03 is: 59,763.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,298.33 : 106,671.56 = 43,307.03 : x
  2. Step 2: Convert to fraction form
    77,298.33/106,671.56 = 43,307.03/x
  3. Step 3: Cross multiply
    77,298.33x = 106,671.56 × 43,307.03
  4. Step 4: Simplify right side
    77,298.33x = 4,619,628,321.00
  5. Step 5: Solve for x
    x = 4,619,628,321.00/77,298.33
  6. Step 6: Final answer
    x = 59,763.63

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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.