Home / 47,191.28-70,775.58-13,902.35

Finding the Fourth Proportional to 47,191.28, 70,775.58 and 13,902.35

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Solution

The fourth proportional to 47,191.28, 70,775.58 and 13,902.35 is: 20,850.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,191.28 : 70,775.58 = 13,902.35 : x
  2. Step 2: Convert to fraction form
    47,191.28/70,775.58 = 13,902.35/x
  3. Step 3: Cross multiply
    47,191.28x = 70,775.58 × 13,902.35
  4. Step 4: Simplify right side
    47,191.28x = 983,946,884.61
  5. Step 5: Solve for x
    x = 983,946,884.61/47,191.28
  6. Step 6: Final answer
    x = 20,850.18

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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.