Home / 105,801.15-146,005.19-58,055.30

Finding the Fourth Proportional to 105,801.15, 146,005.19 and 58,055.30

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Solution

The fourth proportional to 105,801.15, 146,005.19 and 58,055.30 is: 80,116.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,801.15 : 146,005.19 = 58,055.30 : x
  2. Step 2: Convert to fraction form
    105,801.15/146,005.19 = 58,055.30/x
  3. Step 3: Cross multiply
    105,801.15x = 146,005.19 × 58,055.30
  4. Step 4: Simplify right side
    105,801.15x = 8,476,374,359.65
  5. Step 5: Solve for x
    x = 8,476,374,359.65/105,801.15
  6. Step 6: Final answer
    x = 80,116.09

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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.