Home / 80,962.44-121,214.79-42,925.02

Finding the Fourth Proportional to 80,962.44, 121,214.79 and 42,925.02

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Solution

The fourth proportional to 80,962.44, 121,214.79 and 42,925.02 is: 64,266.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,962.44 : 121,214.79 = 42,925.02 : x
  2. Step 2: Convert to fraction form
    80,962.44/121,214.79 = 42,925.02/x
  3. Step 3: Cross multiply
    80,962.44x = 121,214.79 × 42,925.02
  4. Step 4: Simplify right side
    80,962.44x = 5,203,147,285.05
  5. Step 5: Solve for x
    x = 5,203,147,285.05/80,962.44
  6. Step 6: Final answer
    x = 64,266.19

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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.