Home / 53,100.81-79,585.43-26,813.07

Finding the Fourth Proportional to 53,100.81, 79,585.43 and 26,813.07

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Solution

The fourth proportional to 53,100.81, 79,585.43 and 26,813.07 is: 40,186.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,100.81 : 79,585.43 = 26,813.07 : x
  2. Step 2: Convert to fraction form
    53,100.81/79,585.43 = 26,813.07/x
  3. Step 3: Cross multiply
    53,100.81x = 79,585.43 × 26,813.07
  4. Step 4: Simplify right side
    53,100.81x = 2,133,929,571.50
  5. Step 5: Solve for x
    x = 2,133,929,571.50/53,100.81
  6. Step 6: Final answer
    x = 40,186.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.