Home / 36,078.75-54,117.99-9,783.45

Finding the Fourth Proportional to 36,078.75, 54,117.99 and 9,783.45

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Solution

The fourth proportional to 36,078.75, 54,117.99 and 9,783.45 is: 14,675.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,078.75 : 54,117.99 = 9,783.45 : x
  2. Step 2: Convert to fraction form
    36,078.75/54,117.99 = 9,783.45/x
  3. Step 3: Cross multiply
    36,078.75x = 54,117.99 × 9,783.45
  4. Step 4: Simplify right side
    36,078.75x = 529,460,649.27
  5. Step 5: Solve for x
    x = 529,460,649.27/36,078.75
  6. Step 6: Final answer
    x = 14,675.14

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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.