Home / 83,153.32-114,751.38-45,427.84

Finding the Fourth Proportional to 83,153.32, 114,751.38 and 45,427.84

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Solution

The fourth proportional to 83,153.32, 114,751.38 and 45,427.84 is: 62,690.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,153.32 : 114,751.38 = 45,427.84 : x
  2. Step 2: Convert to fraction form
    83,153.32/114,751.38 = 45,427.84/x
  3. Step 3: Cross multiply
    83,153.32x = 114,751.38 × 45,427.84
  4. Step 4: Simplify right side
    83,153.32x = 5,212,907,213.90
  5. Step 5: Solve for x
    x = 5,212,907,213.90/83,153.32
  6. Step 6: Final answer
    x = 62,690.31

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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.