Home / 101,965.50-140,722.43-58,946.85

Finding the Fourth Proportional to 101,965.50, 140,722.43 and 58,946.85

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Solution

The fourth proportional to 101,965.50, 140,722.43 and 58,946.85 is: 81,352.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,965.50 : 140,722.43 = 58,946.85 : x
  2. Step 2: Convert to fraction form
    101,965.50/140,722.43 = 58,946.85/x
  3. Step 3: Cross multiply
    101,965.50x = 140,722.43 × 58,946.85
  4. Step 4: Simplify right side
    101,965.50x = 8,295,143,678.11
  5. Step 5: Solve for x
    x = 8,295,143,678.11/101,965.50
  6. Step 6: Final answer
    x = 81,352.45

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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.