Home / 105,806.46-146,007.90-58,058.76

Finding the Fourth Proportional to 105,806.46, 146,007.90 and 58,058.76

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Solution

The fourth proportional to 105,806.46, 146,007.90 and 58,058.76 is: 80,118.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,806.46 : 146,007.90 = 58,058.76 : x
  2. Step 2: Convert to fraction form
    105,806.46/146,007.90 = 58,058.76/x
  3. Step 3: Cross multiply
    105,806.46x = 146,007.90 × 58,058.76
  4. Step 4: Simplify right side
    105,806.46x = 8,477,037,624.20
  5. Step 5: Solve for x
    x = 8,477,037,624.20/105,806.46
  6. Step 6: Final answer
    x = 80,118.34

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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.