Home / 84,021.45-115,948.31-46,297.05

Finding the Fourth Proportional to 84,021.45, 115,948.31 and 46,297.05

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Solution

The fourth proportional to 84,021.45, 115,948.31 and 46,297.05 is: 63,889.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,021.45 : 115,948.31 = 46,297.05 : x
  2. Step 2: Convert to fraction form
    84,021.45/115,948.31 = 46,297.05/x
  3. Step 3: Cross multiply
    84,021.45x = 115,948.31 × 46,297.05
  4. Step 4: Simplify right side
    84,021.45x = 5,368,064,474.00
  5. Step 5: Solve for x
    x = 5,368,064,474.00/84,021.45
  6. Step 6: Final answer
    x = 63,889.21

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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.