Home / 65,918.48-90,967.56-36,110.48

Finding the Fourth Proportional to 65,918.48, 90,967.56 and 36,110.48

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Solution

The fourth proportional to 65,918.48, 90,967.56 and 36,110.48 is: 49,832.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,918.48 : 90,967.56 = 36,110.48 : x
  2. Step 2: Convert to fraction form
    65,918.48/90,967.56 = 36,110.48/x
  3. Step 3: Cross multiply
    65,918.48x = 90,967.56 × 36,110.48
  4. Step 4: Simplify right side
    65,918.48x = 3,284,882,256.03
  5. Step 5: Solve for x
    x = 3,284,882,256.03/65,918.48
  6. Step 6: Final answer
    x = 49,832.49

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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.