Home / 47,156.95-70,729.39-15,559.19

Finding the Fourth Proportional to 47,156.95, 70,729.39 and 15,559.19

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Solution

The fourth proportional to 47,156.95, 70,729.39 and 15,559.19 is: 23,336.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,156.95 : 70,729.39 = 15,559.19 : x
  2. Step 2: Convert to fraction form
    47,156.95/70,729.39 = 15,559.19/x
  3. Step 3: Cross multiply
    47,156.95x = 70,729.39 × 15,559.19
  4. Step 4: Simplify right side
    47,156.95x = 1,100,492,017.59
  5. Step 5: Solve for x
    x = 1,100,492,017.59/47,156.95
  6. Step 6: Final answer
    x = 23,336.79

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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.