Home / 115,780.04-173,668.16-36,893.20

Finding the Fourth Proportional to 115,780.04, 173,668.16 and 36,893.20

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Solution

The fourth proportional to 115,780.04, 173,668.16 and 36,893.20 is: 55,339.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,780.04 : 173,668.16 = 36,893.20 : x
  2. Step 2: Convert to fraction form
    115,780.04/173,668.16 = 36,893.20/x
  3. Step 3: Cross multiply
    115,780.04x = 173,668.16 × 36,893.20
  4. Step 4: Simplify right side
    115,780.04x = 6,407,174,160.51
  5. Step 5: Solve for x
    x = 6,407,174,160.51/115,780.04
  6. Step 6: Final answer
    x = 55,339.19

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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.