Home / 65,235.73-90,025.64-36,555.45

Finding the Fourth Proportional to 65,235.73, 90,025.64 and 36,555.45

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Solution

The fourth proportional to 65,235.73, 90,025.64 and 36,555.45 is: 50,446.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,235.73 : 90,025.64 = 36,555.45 : x
  2. Step 2: Convert to fraction form
    65,235.73/90,025.64 = 36,555.45/x
  3. Step 3: Cross multiply
    65,235.73x = 90,025.64 × 36,555.45
  4. Step 4: Simplify right side
    65,235.73x = 3,290,927,781.74
  5. Step 5: Solve for x
    x = 3,290,927,781.74/65,235.73
  6. Step 6: Final answer
    x = 50,446.71

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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.