Home / 84,015.48-115,942.14-46,290.36

Finding the Fourth Proportional to 84,015.48, 115,942.14 and 46,290.36

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Solution

The fourth proportional to 84,015.48, 115,942.14 and 46,290.36 is: 63,881.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,015.48 : 115,942.14 = 46,290.36 : x
  2. Step 2: Convert to fraction form
    84,015.48/115,942.14 = 46,290.36/x
  3. Step 3: Cross multiply
    84,015.48x = 115,942.14 × 46,290.36
  4. Step 4: Simplify right side
    84,015.48x = 5,367,003,399.77
  5. Step 5: Solve for x
    x = 5,367,003,399.77/84,015.48
  6. Step 6: Final answer
    x = 63,881.13

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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.