Home / 83,564.93-115,317.78-47,261.58

Finding the Fourth Proportional to 83,564.93, 115,317.78 and 47,261.58

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Solution

The fourth proportional to 83,564.93, 115,317.78 and 47,261.58 is: 65,219.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,564.93 : 115,317.78 = 47,261.58 : x
  2. Step 2: Convert to fraction form
    83,564.93/115,317.78 = 47,261.58/x
  3. Step 3: Cross multiply
    83,564.93x = 115,317.78 × 47,261.58
  4. Step 4: Simplify right side
    83,564.93x = 5,450,100,484.89
  5. Step 5: Solve for x
    x = 5,450,100,484.89/83,564.93
  6. Step 6: Final answer
    x = 65,219.95

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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.