Home / 106,454.40-146,905.08-58,712.28

Finding the Fourth Proportional to 106,454.40, 146,905.08 and 58,712.28

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Solution

The fourth proportional to 106,454.40, 146,905.08 and 58,712.28 is: 81,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,454.40 : 146,905.08 = 58,712.28 : x
  2. Step 2: Convert to fraction form
    106,454.40/146,905.08 = 58,712.28/x
  3. Step 3: Cross multiply
    106,454.40x = 146,905.08 × 58,712.28
  4. Step 4: Simplify right side
    106,454.40x = 8,625,132,190.38
  5. Step 5: Solve for x
    x = 8,625,132,190.38/106,454.40
  6. Step 6: Final answer
    x = 81,021.85

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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.