Home / 105,801.90-146,006.81-58,055.63

Finding the Fourth Proportional to 105,801.90, 146,006.81 and 58,055.63

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Solution

The fourth proportional to 105,801.90, 146,006.81 and 58,055.63 is: 80,116.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,801.90 : 146,006.81 = 58,055.63 : x
  2. Step 2: Convert to fraction form
    105,801.90/146,006.81 = 58,055.63/x
  3. Step 3: Cross multiply
    105,801.90x = 146,006.81 × 58,055.63
  4. Step 4: Simplify right side
    105,801.90x = 8,476,516,318.53
  5. Step 5: Solve for x
    x = 8,476,516,318.53/105,801.90
  6. Step 6: Final answer
    x = 80,116.86

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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.