Home / 80,462.09-111,038.90-44,654.42

Finding the Fourth Proportional to 80,462.09, 111,038.90 and 44,654.42

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Solution

The fourth proportional to 80,462.09, 111,038.90 and 44,654.42 is: 61,623.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,462.09 : 111,038.90 = 44,654.42 : x
  2. Step 2: Convert to fraction form
    80,462.09/111,038.90 = 44,654.42/x
  3. Step 3: Cross multiply
    80,462.09x = 111,038.90 × 44,654.42
  4. Step 4: Simplify right side
    80,462.09x = 4,958,376,898.47
  5. Step 5: Solve for x
    x = 4,958,376,898.47/80,462.09
  6. Step 6: Final answer
    x = 61,623.77

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1.5x scale

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.