Home / 49,530.08-74,294.21-12,089.55

Finding the Fourth Proportional to 49,530.08, 74,294.21 and 12,089.55

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Solution

The fourth proportional to 49,530.08, 74,294.21 and 12,089.55 is: 18,134.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,530.08 : 74,294.21 = 12,089.55 : x
  2. Step 2: Convert to fraction form
    49,530.08/74,294.21 = 12,089.55/x
  3. Step 3: Cross multiply
    49,530.08x = 74,294.21 × 12,089.55
  4. Step 4: Simplify right side
    49,530.08x = 898,183,875.33
  5. Step 5: Solve for x
    x = 898,183,875.33/49,530.08
  6. Step 6: Final answer
    x = 18,134.11

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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.