Home / 72,001.44-107,906.58-38,260.35

Finding the Fourth Proportional to 72,001.44, 107,906.58 and 38,260.35

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Solution

The fourth proportional to 72,001.44, 107,906.58 and 38,260.35 is: 57,339.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,001.44 : 107,906.58 = 38,260.35 : x
  2. Step 2: Convert to fraction form
    72,001.44/107,906.58 = 38,260.35/x
  3. Step 3: Cross multiply
    72,001.44x = 107,906.58 × 38,260.35
  4. Step 4: Simplify right side
    72,001.44x = 4,128,543,518.10
  5. Step 5: Solve for x
    x = 4,128,543,518.10/72,001.44
  6. Step 6: Final answer
    x = 57,339.74

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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.