Home / 47,168.32-70,771.60-30,320.16

Finding the Fourth Proportional to 47,168.32, 70,771.60 and 30,320.16

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Solution

The fourth proportional to 47,168.32, 70,771.60 and 30,320.16 is: 45,492.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,168.32 : 70,771.60 = 30,320.16 : x
  2. Step 2: Convert to fraction form
    47,168.32/70,771.60 = 30,320.16/x
  3. Step 3: Cross multiply
    47,168.32x = 70,771.60 × 30,320.16
  4. Step 4: Simplify right side
    47,168.32x = 2,145,806,235.46
  5. Step 5: Solve for x
    x = 2,145,806,235.46/47,168.32
  6. Step 6: Final answer
    x = 45,492.53

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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.