Home / 105,808.46-146,010.66-58,060.76

Finding the Fourth Proportional to 105,808.46, 146,010.66 and 58,060.76

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Solution

The fourth proportional to 105,808.46, 146,010.66 and 58,060.76 is: 80,121.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,808.46 : 146,010.66 = 58,060.76 : x
  2. Step 2: Convert to fraction form
    105,808.46/146,010.66 = 58,060.76/x
  3. Step 3: Cross multiply
    105,808.46x = 146,010.66 × 58,060.76
  4. Step 4: Simplify right side
    105,808.46x = 8,477,489,887.70
  5. Step 5: Solve for x
    x = 8,477,489,887.70/105,808.46
  6. Step 6: Final answer
    x = 80,121.10

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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.