Home / 109,333.80-163,944-50,118.48

Finding the Fourth Proportional to 109,333.80, 163,944 and 50,118.48

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Solution

The fourth proportional to 109,333.80, 163,944 and 50,118.48 is: 75,151.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,333.80 : 163,944 = 50,118.48 : x
  2. Step 2: Convert to fraction form
    109,333.80/163,944 = 50,118.48/x
  3. Step 3: Cross multiply
    109,333.80x = 163,944 × 50,118.48
  4. Step 4: Simplify right side
    109,333.80x = 8,216,624,085.12
  5. Step 5: Solve for x
    x = 8,216,624,085.12/109,333.80
  6. Step 6: Final answer
    x = 75,151.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.