Home / 76,205.02-105,214.31-47,568.30

Finding the Fourth Proportional to 76,205.02, 105,214.31 and 47,568.30

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Solution

The fourth proportional to 76,205.02, 105,214.31 and 47,568.30 is: 65,676.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,205.02 : 105,214.31 = 47,568.30 : x
  2. Step 2: Convert to fraction form
    76,205.02/105,214.31 = 47,568.30/x
  3. Step 3: Cross multiply
    76,205.02x = 105,214.31 × 47,568.30
  4. Step 4: Simplify right side
    76,205.02x = 5,004,865,862.37
  5. Step 5: Solve for x
    x = 5,004,865,862.37/76,205.02
  6. Step 6: Final answer
    x = 65,676.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.