Home / 115,771.47-173,677.86-40,935.07

Finding the Fourth Proportional to 115,771.47, 173,677.86 and 40,935.07

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Solution

The fourth proportional to 115,771.47, 173,677.86 and 40,935.07 is: 61,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,771.47 : 173,677.86 = 40,935.07 : x
  2. Step 2: Convert to fraction form
    115,771.47/173,677.86 = 40,935.07/x
  3. Step 3: Cross multiply
    115,771.47x = 173,677.86 × 40,935.07
  4. Step 4: Simplify right side
    115,771.47x = 7,109,514,488.16
  5. Step 5: Solve for x
    x = 7,109,514,488.16/115,771.47
  6. Step 6: Final answer
    x = 61,409.90

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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.