Home / 47,485.63-71,208.20-14,205.16

Finding the Fourth Proportional to 47,485.63, 71,208.20 and 14,205.16

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Solution

The fourth proportional to 47,485.63, 71,208.20 and 14,205.16 is: 21,301.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,485.63 : 71,208.20 = 14,205.16 : x
  2. Step 2: Convert to fraction form
    47,485.63/71,208.20 = 14,205.16/x
  3. Step 3: Cross multiply
    47,485.63x = 71,208.20 × 14,205.16
  4. Step 4: Simplify right side
    47,485.63x = 1,011,523,803.29
  5. Step 5: Solve for x
    x = 1,011,523,803.29/47,485.63
  6. Step 6: Final answer
    x = 21,301.68

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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.