Home / 105,320.62-157,841.20-46,091.80

Finding the Fourth Proportional to 105,320.62, 157,841.20 and 46,091.80

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Solution

The fourth proportional to 105,320.62, 157,841.20 and 46,091.80 is: 69,076.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,320.62 : 157,841.20 = 46,091.80 : x
  2. Step 2: Convert to fraction form
    105,320.62/157,841.20 = 46,091.80/x
  3. Step 3: Cross multiply
    105,320.62x = 157,841.20 × 46,091.80
  4. Step 4: Simplify right side
    105,320.62x = 7,275,184,002.50
  5. Step 5: Solve for x
    x = 7,275,184,002.50/105,320.62
  6. Step 6: Final answer
    x = 69,076.54

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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.