Home / 70,550.20-97,362.82-38,718.84

Finding the Fourth Proportional to 70,550.20, 97,362.82 and 38,718.84

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Solution

The fourth proportional to 70,550.20, 97,362.82 and 38,718.84 is: 53,433.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,550.20 : 97,362.82 = 38,718.84 : x
  2. Step 2: Convert to fraction form
    70,550.20/97,362.82 = 38,718.84/x
  3. Step 3: Cross multiply
    70,550.20x = 97,362.82 × 38,718.84
  4. Step 4: Simplify right side
    70,550.20x = 3,769,775,449.53
  5. Step 5: Solve for x
    x = 3,769,775,449.53/70,550.20
  6. Step 6: Final answer
    x = 53,433.94

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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.