Home / 77,483.48-106,918.38-43,487.36

Finding the Fourth Proportional to 77,483.48, 106,918.38 and 43,487.36

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Solution

The fourth proportional to 77,483.48, 106,918.38 and 43,487.36 is: 60,007.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,483.48 : 106,918.38 = 43,487.36 : x
  2. Step 2: Convert to fraction form
    77,483.48/106,918.38 = 43,487.36/x
  3. Step 3: Cross multiply
    77,483.48x = 106,918.38 × 43,487.36
  4. Step 4: Simplify right side
    77,483.48x = 4,649,598,081.68
  5. Step 5: Solve for x
    x = 4,649,598,081.68/77,483.48
  6. Step 6: Final answer
    x = 60,007.61

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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.