Home / 53,960.56-74,516.88-51,015.40

Finding the Fourth Proportional to 53,960.56, 74,516.88 and 51,015.40

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Solution

The fourth proportional to 53,960.56, 74,516.88 and 51,015.40 is: 70,449.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,960.56 : 74,516.88 = 51,015.40 : x
  2. Step 2: Convert to fraction form
    53,960.56/74,516.88 = 51,015.40/x
  3. Step 3: Cross multiply
    53,960.56x = 74,516.88 × 51,015.40
  4. Step 4: Simplify right side
    53,960.56x = 3,801,508,439.95
  5. Step 5: Solve for x
    x = 3,801,508,439.95/53,960.56
  6. Step 6: Final answer
    x = 70,449.76

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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.