Home / 73,004.10-109,430.55-39,653.70

Finding the Fourth Proportional to 73,004.10, 109,430.55 and 39,653.70

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Solution

The fourth proportional to 73,004.10, 109,430.55 and 39,653.70 is: 59,439.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,004.10 : 109,430.55 = 39,653.70 : x
  2. Step 2: Convert to fraction form
    73,004.10/109,430.55 = 39,653.70/x
  3. Step 3: Cross multiply
    73,004.10x = 109,430.55 × 39,653.70
  4. Step 4: Simplify right side
    73,004.10x = 4,339,326,200.54
  5. Step 5: Solve for x
    x = 4,339,326,200.54/73,004.10
  6. Step 6: Final answer
    x = 59,439.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.