Home / 81,237.23-121,803.94-39,033.33

Finding the Fourth Proportional to 81,237.23, 121,803.94 and 39,033.33

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Solution

The fourth proportional to 81,237.23, 121,803.94 and 39,033.33 is: 58,525.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,237.23 : 121,803.94 = 39,033.33 : x
  2. Step 2: Convert to fraction form
    81,237.23/121,803.94 = 39,033.33/x
  3. Step 3: Cross multiply
    81,237.23x = 121,803.94 × 39,033.33
  4. Step 4: Simplify right side
    81,237.23x = 4,754,413,385.32
  5. Step 5: Solve for x
    x = 4,754,413,385.32/81,237.23
  6. Step 6: Final answer
    x = 58,525.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.