Home / 83,186.56-114,805.44-47,388.16

Finding the Fourth Proportional to 83,186.56, 114,805.44 and 47,388.16

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Solution

The fourth proportional to 83,186.56, 114,805.44 and 47,388.16 is: 65,400.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,186.56 : 114,805.44 = 47,388.16 : x
  2. Step 2: Convert to fraction form
    83,186.56/114,805.44 = 47,388.16/x
  3. Step 3: Cross multiply
    83,186.56x = 114,805.44 × 47,388.16
  4. Step 4: Simplify right side
    83,186.56x = 5,440,418,559.59
  5. Step 5: Solve for x
    x = 5,440,418,559.59/83,186.56
  6. Step 6: Final answer
    x = 65,400.21

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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.