Home / 82,075.70-113,274.14-45,782.86

Finding the Fourth Proportional to 82,075.70, 113,274.14 and 45,782.86

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Solution

The fourth proportional to 82,075.70, 113,274.14 and 45,782.86 is: 63,185.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,075.70 : 113,274.14 = 45,782.86 : x
  2. Step 2: Convert to fraction form
    82,075.70/113,274.14 = 45,782.86/x
  3. Step 3: Cross multiply
    82,075.70x = 113,274.14 × 45,782.86
  4. Step 4: Simplify right side
    82,075.70x = 5,186,014,261.97
  5. Step 5: Solve for x
    x = 5,186,014,261.97/82,075.70
  6. Step 6: Final answer
    x = 63,185.75

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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.