Home / 53,086.19-79,678.49-26,809.38

Finding the Fourth Proportional to 53,086.19, 79,678.49 and 26,809.38

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Solution

The fourth proportional to 53,086.19, 79,678.49 and 26,809.38 is: 40,238.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,086.19 : 79,678.49 = 26,809.38 : x
  2. Step 2: Convert to fraction form
    53,086.19/79,678.49 = 26,809.38/x
  3. Step 3: Cross multiply
    53,086.19x = 79,678.49 × 26,809.38
  4. Step 4: Simplify right side
    53,086.19x = 2,136,130,782.19
  5. Step 5: Solve for x
    x = 2,136,130,782.19/53,086.19
  6. Step 6: Final answer
    x = 40,238.92

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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.