Home / 93,266.13-128,707.07-50,824.56

Finding the Fourth Proportional to 93,266.13, 128,707.07 and 50,824.56

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Solution

The fourth proportional to 93,266.13, 128,707.07 and 50,824.56 is: 70,137.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,266.13 : 128,707.07 = 50,824.56 : x
  2. Step 2: Convert to fraction form
    93,266.13/128,707.07 = 50,824.56/x
  3. Step 3: Cross multiply
    93,266.13x = 128,707.07 × 50,824.56
  4. Step 4: Simplify right side
    93,266.13x = 6,541,479,947.52
  5. Step 5: Solve for x
    x = 6,541,479,947.52/93,266.13
  6. Step 6: Final answer
    x = 70,137.79

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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.