Home / 82,090.19-113,273.41-47,634.01

Finding the Fourth Proportional to 82,090.19, 113,273.41 and 47,634.01

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Solution

The fourth proportional to 82,090.19, 113,273.41 and 47,634.01 is: 65,728.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,090.19 : 113,273.41 = 47,634.01 : x
  2. Step 2: Convert to fraction form
    82,090.19/113,273.41 = 47,634.01/x
  3. Step 3: Cross multiply
    82,090.19x = 113,273.41 × 47,634.01
  4. Step 4: Simplify right side
    82,090.19x = 5,395,666,744.67
  5. Step 5: Solve for x
    x = 5,395,666,744.67/82,090.19
  6. Step 6: Final answer
    x = 65,728.52

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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.