Home / 77,277.45-106,646.89-43,283.95

Finding the Fourth Proportional to 77,277.45, 106,646.89 and 43,283.95

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Solution

The fourth proportional to 77,277.45, 106,646.89 and 43,283.95 is: 59,734.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,277.45 : 106,646.89 = 43,283.95 : x
  2. Step 2: Convert to fraction form
    77,277.45/106,646.89 = 43,283.95/x
  3. Step 3: Cross multiply
    77,277.45x = 106,646.89 × 43,283.95
  4. Step 4: Simplify right side
    77,277.45x = 4,616,098,279.59
  5. Step 5: Solve for x
    x = 4,616,098,279.59/77,277.45
  6. Step 6: Final answer
    x = 59,734.09

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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.