Home / 105,824.76-146,038.05-58,078.23

Finding the Fourth Proportional to 105,824.76, 146,038.05 and 58,078.23

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Solution

The fourth proportional to 105,824.76, 146,038.05 and 58,078.23 is: 80,147.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,824.76 : 146,038.05 = 58,078.23 : x
  2. Step 2: Convert to fraction form
    105,824.76/146,038.05 = 58,078.23/x
  3. Step 3: Cross multiply
    105,824.76x = 146,038.05 × 58,078.23
  4. Step 4: Simplify right side
    105,824.76x = 8,481,631,456.65
  5. Step 5: Solve for x
    x = 8,481,631,456.65/105,824.76
  6. Step 6: Final answer
    x = 80,147.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.