Home / 105,817.24-146,027.38-58,071.40

Finding the Fourth Proportional to 105,817.24, 146,027.38 and 58,071.40

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Solution

The fourth proportional to 105,817.24, 146,027.38 and 58,071.40 is: 80,138.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,817.24 : 146,027.38 = 58,071.40 : x
  2. Step 2: Convert to fraction form
    105,817.24/146,027.38 = 58,071.40/x
  3. Step 3: Cross multiply
    105,817.24x = 146,027.38 × 58,071.40
  4. Step 4: Simplify right side
    105,817.24x = 8,480,014,394.93
  5. Step 5: Solve for x
    x = 8,480,014,394.93/105,817.24
  6. Step 6: Final answer
    x = 80,138.31

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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.