Home / 83,965.87-115,872.69-46,240.12

Finding the Fourth Proportional to 83,965.87, 115,872.69 and 46,240.12

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Solution

The fourth proportional to 83,965.87, 115,872.69 and 46,240.12 is: 63,811.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,965.87 : 115,872.69 = 46,240.12 : x
  2. Step 2: Convert to fraction form
    83,965.87/115,872.69 = 46,240.12/x
  3. Step 3: Cross multiply
    83,965.87x = 115,872.69 × 46,240.12
  4. Step 4: Simplify right side
    83,965.87x = 5,357,967,090.32
  5. Step 5: Solve for x
    x = 5,357,967,090.32/83,965.87
  6. Step 6: Final answer
    x = 63,811.25

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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.