Home / 82,030.59-122,907.38-50,374.85

Finding the Fourth Proportional to 82,030.59, 122,907.38 and 50,374.85

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Solution

The fourth proportional to 82,030.59, 122,907.38 and 50,374.85 is: 75,477.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,030.59 : 122,907.38 = 50,374.85 : x
  2. Step 2: Convert to fraction form
    82,030.59/122,907.38 = 50,374.85/x
  3. Step 3: Cross multiply
    82,030.59x = 122,907.38 × 50,374.85
  4. Step 4: Simplify right side
    82,030.59x = 6,191,439,964.98
  5. Step 5: Solve for x
    x = 6,191,439,964.98/82,030.59
  6. Step 6: Final answer
    x = 75,477.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.