Home / 115,989.14-173,934.47-41,128.13

Finding the Fourth Proportional to 115,989.14, 173,934.47 and 41,128.13

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Solution

The fourth proportional to 115,989.14, 173,934.47 and 41,128.13 is: 61,674.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,989.14 : 173,934.47 = 41,128.13 : x
  2. Step 2: Convert to fraction form
    115,989.14/173,934.47 = 41,128.13/x
  3. Step 3: Cross multiply
    115,989.14x = 173,934.47 × 41,128.13
  4. Step 4: Simplify right side
    115,989.14x = 7,153,600,031.30
  5. Step 5: Solve for x
    x = 7,153,600,031.30/115,989.14
  6. Step 6: Final answer
    x = 61,674.74

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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.