Home / 105,227.59-145,208.66-57,471.71

Finding the Fourth Proportional to 105,227.59, 145,208.66 and 57,471.71

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Solution

The fourth proportional to 105,227.59, 145,208.66 and 57,471.71 is: 79,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,227.59 : 145,208.66 = 57,471.71 : x
  2. Step 2: Convert to fraction form
    105,227.59/145,208.66 = 57,471.71/x
  3. Step 3: Cross multiply
    105,227.59x = 145,208.66 × 57,471.71
  4. Step 4: Simplify right side
    105,227.59x = 8,345,389,709.65
  5. Step 5: Solve for x
    x = 8,345,389,709.65/105,227.59
  6. Step 6: Final answer
    x = 79,308.00

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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.