Home / 84,015.16-115,940.00-48,210.77

Finding the Fourth Proportional to 84,015.16, 115,940.00 and 48,210.77

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Solution

The fourth proportional to 84,015.16, 115,940.00 and 48,210.77 is: 66,530.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,015.16 : 115,940.00 = 48,210.77 : x
  2. Step 2: Convert to fraction form
    84,015.16/115,940.00 = 48,210.77/x
  3. Step 3: Cross multiply
    84,015.16x = 115,940.00 × 48,210.77
  4. Step 4: Simplify right side
    84,015.16x = 5,589,557,084.18
  5. Step 5: Solve for x
    x = 5,589,557,084.18/84,015.16
  6. Step 6: Final answer
    x = 66,530.34

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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.