Home / 47,795.12-71,688.02-14,515.46

Finding the Fourth Proportional to 47,795.12, 71,688.02 and 14,515.46

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Solution

The fourth proportional to 47,795.12, 71,688.02 and 14,515.46 is: 21,771.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,795.12 : 71,688.02 = 14,515.46 : x
  2. Step 2: Convert to fraction form
    47,795.12/71,688.02 = 14,515.46/x
  3. Step 3: Cross multiply
    47,795.12x = 71,688.02 × 14,515.46
  4. Step 4: Simplify right side
    47,795.12x = 1,040,584,506.25
  5. Step 5: Solve for x
    x = 1,040,584,506.25/47,795.12
  6. Step 6: Final answer
    x = 21,771.77

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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.