Home / 105,900.57-146,143.26-60,579.05

Finding the Fourth Proportional to 105,900.57, 146,143.26 and 60,579.05

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Solution

The fourth proportional to 105,900.57, 146,143.26 and 60,579.05 is: 83,599.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,900.57 : 146,143.26 = 60,579.05 : x
  2. Step 2: Convert to fraction form
    105,900.57/146,143.26 = 60,579.05/x
  3. Step 3: Cross multiply
    105,900.57x = 146,143.26 × 60,579.05
  4. Step 4: Simplify right side
    105,900.57x = 8,853,219,123.99
  5. Step 5: Solve for x
    x = 8,853,219,123.99/105,900.57
  6. Step 6: Final answer
    x = 83,599.35

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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.