Home / 77,927.79-107,538.20-43,935.98

Finding the Fourth Proportional to 77,927.79, 107,538.20 and 43,935.98

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Solution

The fourth proportional to 77,927.79, 107,538.20 and 43,935.98 is: 60,630.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,927.79 : 107,538.20 = 43,935.98 : x
  2. Step 2: Convert to fraction form
    77,927.79/107,538.20 = 43,935.98/x
  3. Step 3: Cross multiply
    77,927.79x = 107,538.20 × 43,935.98
  4. Step 4: Simplify right side
    77,927.79x = 4,724,796,015.09
  5. Step 5: Solve for x
    x = 4,724,796,015.09/77,927.79
  6. Step 6: Final answer
    x = 60,630.44

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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.