Home / 60,615.78-90,945.58-31,047.54

Finding the Fourth Proportional to 60,615.78, 90,945.58 and 31,047.54

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Solution

The fourth proportional to 60,615.78, 90,945.58 and 31,047.54 is: 46,582.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,615.78 : 90,945.58 = 31,047.54 : x
  2. Step 2: Convert to fraction form
    60,615.78/90,945.58 = 31,047.54/x
  3. Step 3: Cross multiply
    60,615.78x = 90,945.58 × 31,047.54
  4. Step 4: Simplify right side
    60,615.78x = 2,823,636,532.87
  5. Step 5: Solve for x
    x = 2,823,636,532.87/60,615.78
  6. Step 6: Final answer
    x = 46,582.53

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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.