Home / 47,268.76-70,903.18-12,208.42

Finding the Fourth Proportional to 47,268.76, 70,903.18 and 12,208.42

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Solution

The fourth proportional to 47,268.76, 70,903.18 and 12,208.42 is: 18,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,268.76 : 70,903.18 = 12,208.42 : x
  2. Step 2: Convert to fraction form
    47,268.76/70,903.18 = 12,208.42/x
  3. Step 3: Cross multiply
    47,268.76x = 70,903.18 × 12,208.42
  4. Step 4: Simplify right side
    47,268.76x = 865,615,800.78
  5. Step 5: Solve for x
    x = 865,615,800.78/47,268.76
  6. Step 6: Final answer
    x = 18,312.64

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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.