Home / 49,690.58-74,567.30-45,020.01

Finding the Fourth Proportional to 49,690.58, 74,567.30 and 45,020.01

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Solution

The fourth proportional to 49,690.58, 74,567.30 and 45,020.01 is: 67,558.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,690.58 : 74,567.30 = 45,020.01 : x
  2. Step 2: Convert to fraction form
    49,690.58/74,567.30 = 45,020.01/x
  3. Step 3: Cross multiply
    49,690.58x = 74,567.30 × 45,020.01
  4. Step 4: Simplify right side
    49,690.58x = 3,357,020,591.67
  5. Step 5: Solve for x
    x = 3,357,020,591.67/49,690.58
  6. Step 6: Final answer
    x = 67,558.49

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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.