Home / 82,063.64-113,178.02-56,610.60

Finding the Fourth Proportional to 82,063.64, 113,178.02 and 56,610.60

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Solution

The fourth proportional to 82,063.64, 113,178.02 and 56,610.60 is: 78,074.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,063.64 : 113,178.02 = 56,610.60 : x
  2. Step 2: Convert to fraction form
    82,063.64/113,178.02 = 56,610.60/x
  3. Step 3: Cross multiply
    82,063.64x = 113,178.02 × 56,610.60
  4. Step 4: Simplify right side
    82,063.64x = 6,407,075,619.01
  5. Step 5: Solve for x
    x = 6,407,075,619.01/82,063.64
  6. Step 6: Final answer
    x = 78,074.48

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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.