Home / 77,414.63-106,833.44-43,430.68

Finding the Fourth Proportional to 77,414.63, 106,833.44 and 43,430.68

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Solution

The fourth proportional to 77,414.63, 106,833.44 and 43,430.68 is: 59,935.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,414.63 : 106,833.44 = 43,430.68 : x
  2. Step 2: Convert to fraction form
    77,414.63/106,833.44 = 43,430.68/x
  3. Step 3: Cross multiply
    77,414.63x = 106,833.44 × 43,430.68
  4. Step 4: Simplify right side
    77,414.63x = 4,639,848,945.94
  5. Step 5: Solve for x
    x = 4,639,848,945.94/77,414.63
  6. Step 6: Final answer
    x = 59,935.04

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1.5x scale

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.