Home / 74,247.08-111,369.47-18,087.12

Finding the Fourth Proportional to 74,247.08, 111,369.47 and 18,087.12

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Solution

The fourth proportional to 74,247.08, 111,369.47 and 18,087.12 is: 27,130.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,247.08 : 111,369.47 = 18,087.12 : x
  2. Step 2: Convert to fraction form
    74,247.08/111,369.47 = 18,087.12/x
  3. Step 3: Cross multiply
    74,247.08x = 111,369.47 × 18,087.12
  4. Step 4: Simplify right side
    74,247.08x = 2,014,352,877.79
  5. Step 5: Solve for x
    x = 2,014,352,877.79/74,247.08
  6. Step 6: Final answer
    x = 27,130.40

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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.