Home / 80,464.16-111,038.64-44,653.52

Finding the Fourth Proportional to 80,464.16, 111,038.64 and 44,653.52

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Solution

The fourth proportional to 80,464.16, 111,038.64 and 44,653.52 is: 61,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,464.16 : 111,038.64 = 44,653.52 : x
  2. Step 2: Convert to fraction form
    80,464.16/111,038.64 = 44,653.52/x
  3. Step 3: Cross multiply
    80,464.16x = 111,038.64 × 44,653.52
  4. Step 4: Simplify right side
    80,464.16x = 4,958,266,132.01
  5. Step 5: Solve for x
    x = 4,958,266,132.01/80,464.16
  6. Step 6: Final answer
    x = 61,620.80

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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.