Home / 81,015.15-111,783.00-47,003.93

Finding the Fourth Proportional to 81,015.15, 111,783.00 and 47,003.93

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Solution

The fourth proportional to 81,015.15, 111,783.00 and 47,003.93 is: 64,855.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,015.15 : 111,783.00 = 47,003.93 : x
  2. Step 2: Convert to fraction form
    81,015.15/111,783.00 = 47,003.93/x
  3. Step 3: Cross multiply
    81,015.15x = 111,783.00 × 47,003.93
  4. Step 4: Simplify right side
    81,015.15x = 5,254,240,343.73
  5. Step 5: Solve for x
    x = 5,254,240,343.73/81,015.15
  6. Step 6: Final answer
    x = 64,855.03

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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.