Home / 105,801.50-146,005.67-58,055.65

Finding the Fourth Proportional to 105,801.50, 146,005.67 and 58,055.65

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Solution

The fourth proportional to 105,801.50, 146,005.67 and 58,055.65 is: 80,116.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,801.50 : 146,005.67 = 58,055.65 : x
  2. Step 2: Convert to fraction form
    105,801.50/146,005.67 = 58,055.65/x
  3. Step 3: Cross multiply
    105,801.50x = 146,005.67 × 58,055.65
  4. Step 4: Simplify right side
    105,801.50x = 8,476,453,855.66
  5. Step 5: Solve for x
    x = 8,476,453,855.66/105,801.50
  6. Step 6: Final answer
    x = 80,116.57

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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.