Home / 74,879.16-112,349.31-48,239.07

Finding the Fourth Proportional to 74,879.16, 112,349.31 and 48,239.07

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Solution

The fourth proportional to 74,879.16, 112,349.31 and 48,239.07 is: 72,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,879.16 : 112,349.31 = 48,239.07 : x
  2. Step 2: Convert to fraction form
    74,879.16/112,349.31 = 48,239.07/x
  3. Step 3: Cross multiply
    74,879.16x = 112,349.31 × 48,239.07
  4. Step 4: Simplify right side
    74,879.16x = 5,419,626,229.54
  5. Step 5: Solve for x
    x = 5,419,626,229.54/74,879.16
  6. Step 6: Final answer
    x = 72,378.30

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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.