Home / 115,113.96-172,671.36-58,923.40

Finding the Fourth Proportional to 115,113.96, 172,671.36 and 58,923.40

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Solution

The fourth proportional to 115,113.96, 172,671.36 and 58,923.40 is: 88,385.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,113.96 : 172,671.36 = 58,923.40 : x
  2. Step 2: Convert to fraction form
    115,113.96/172,671.36 = 58,923.40/x
  3. Step 3: Cross multiply
    115,113.96x = 172,671.36 × 58,923.40
  4. Step 4: Simplify right side
    115,113.96x = 10,174,383,613.82
  5. Step 5: Solve for x
    x = 10,174,383,613.82/115,113.96
  6. Step 6: Final answer
    x = 88,385.31

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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.