Home / 64,725.28-89,348.53-43,516.85

Finding the Fourth Proportional to 64,725.28, 89,348.53 and 43,516.85

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Solution

The fourth proportional to 64,725.28, 89,348.53 and 43,516.85 is: 60,071.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,725.28 : 89,348.53 = 43,516.85 : x
  2. Step 2: Convert to fraction form
    64,725.28/89,348.53 = 43,516.85/x
  3. Step 3: Cross multiply
    64,725.28x = 89,348.53 × 43,516.85
  4. Step 4: Simplify right side
    64,725.28x = 3,888,165,913.40
  5. Step 5: Solve for x
    x = 3,888,165,913.40/64,725.28
  6. Step 6: Final answer
    x = 60,071.83

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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.