Home / 118,040.16-177,078.68-47,924.40

Finding the Fourth Proportional to 118,040.16, 177,078.68 and 47,924.40

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Solution

The fourth proportional to 118,040.16, 177,078.68 and 47,924.40 is: 71,894.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,040.16 : 177,078.68 = 47,924.40 : x
  2. Step 2: Convert to fraction form
    118,040.16/177,078.68 = 47,924.40/x
  3. Step 3: Cross multiply
    118,040.16x = 177,078.68 × 47,924.40
  4. Step 4: Simplify right side
    118,040.16x = 8,486,389,491.79
  5. Step 5: Solve for x
    x = 8,486,389,491.79/118,040.16
  6. Step 6: Final answer
    x = 71,894.09

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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.