Home / 77,130.54-115,684.13-26,537.26

Finding the Fourth Proportional to 77,130.54, 115,684.13 and 26,537.26

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Solution

The fourth proportional to 77,130.54, 115,684.13 and 26,537.26 is: 39,801.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,130.54 : 115,684.13 = 26,537.26 : x
  2. Step 2: Convert to fraction form
    77,130.54/115,684.13 = 26,537.26/x
  3. Step 3: Cross multiply
    77,130.54x = 115,684.13 × 26,537.26
  4. Step 4: Simplify right side
    77,130.54x = 3,069,939,835.68
  5. Step 5: Solve for x
    x = 3,069,939,835.68/77,130.54
  6. Step 6: Final answer
    x = 39,801.87

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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.