Home / 84,039.20-115,965.86-50,040.93

Finding the Fourth Proportional to 84,039.20, 115,965.86 and 50,040.93

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Solution

The fourth proportional to 84,039.20, 115,965.86 and 50,040.93 is: 69,051.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,039.20 : 115,965.86 = 50,040.93 : x
  2. Step 2: Convert to fraction form
    84,039.20/115,965.86 = 50,040.93/x
  3. Step 3: Cross multiply
    84,039.20x = 115,965.86 × 50,040.93
  4. Step 4: Simplify right side
    84,039.20x = 5,803,039,482.65
  5. Step 5: Solve for x
    x = 5,803,039,482.65/84,039.20
  6. Step 6: Final answer
    x = 69,051.58

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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.