Home / 53,709.23-74,120.84-36,749.05

Finding the Fourth Proportional to 53,709.23, 74,120.84 and 36,749.05

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Solution

The fourth proportional to 53,709.23, 74,120.84 and 36,749.05 is: 50,715.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,709.23 : 74,120.84 = 36,749.05 : x
  2. Step 2: Convert to fraction form
    53,709.23/74,120.84 = 36,749.05/x
  3. Step 3: Cross multiply
    53,709.23x = 74,120.84 × 36,749.05
  4. Step 4: Simplify right side
    53,709.23x = 2,723,870,361.77
  5. Step 5: Solve for x
    x = 2,723,870,361.77/53,709.23
  6. Step 6: Final answer
    x = 50,715.12

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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.