Home / 90,313.83-124,621.29-52,074.81

Finding the Fourth Proportional to 90,313.83, 124,621.29 and 52,074.81

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Solution

The fourth proportional to 90,313.83, 124,621.29 and 52,074.81 is: 71,856.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,313.83 : 124,621.29 = 52,074.81 : x
  2. Step 2: Convert to fraction form
    90,313.83/124,621.29 = 52,074.81/x
  3. Step 3: Cross multiply
    90,313.83x = 124,621.29 × 52,074.81
  4. Step 4: Simplify right side
    90,313.83x = 6,489,629,998.70
  5. Step 5: Solve for x
    x = 6,489,629,998.70/90,313.83
  6. Step 6: Final answer
    x = 71,856.44

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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.