Home / 49,549.08-74,323.34-12,109.35

Finding the Fourth Proportional to 49,549.08, 74,323.34 and 12,109.35

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Solution

The fourth proportional to 49,549.08, 74,323.34 and 12,109.35 is: 18,163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,549.08 : 74,323.34 = 12,109.35 : x
  2. Step 2: Convert to fraction form
    49,549.08/74,323.34 = 12,109.35/x
  3. Step 3: Cross multiply
    49,549.08x = 74,323.34 × 12,109.35
  4. Step 4: Simplify right side
    49,549.08x = 900,006,905.07
  5. Step 5: Solve for x
    x = 900,006,905.07/49,549.08
  6. Step 6: Final answer
    x = 18,163.95

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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.