Home / 47,157.36-70,737.12-15,557.28

Finding the Fourth Proportional to 47,157.36, 70,737.12 and 15,557.28

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Solution

The fourth proportional to 47,157.36, 70,737.12 and 15,557.28 is: 23,336.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,157.36 : 70,737.12 = 15,557.28 : x
  2. Step 2: Convert to fraction form
    47,157.36/70,737.12 = 15,557.28/x
  3. Step 3: Cross multiply
    47,157.36x = 70,737.12 × 15,557.28
  4. Step 4: Simplify right side
    47,157.36x = 1,100,477,182.23
  5. Step 5: Solve for x
    x = 1,100,477,182.23/47,157.36
  6. Step 6: Final answer
    x = 23,336.28

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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.