Home / 62,793.10-86,650.53-57,777.58

Finding the Fourth Proportional to 62,793.10, 86,650.53 and 57,777.58

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Solution

The fourth proportional to 62,793.10, 86,650.53 and 57,777.58 is: 79,729.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,793.10 : 86,650.53 = 57,777.58 : x
  2. Step 2: Convert to fraction form
    62,793.10/86,650.53 = 57,777.58/x
  3. Step 3: Cross multiply
    62,793.10x = 86,650.53 × 57,777.58
  4. Step 4: Simplify right side
    62,793.10x = 5,006,457,929.12
  5. Step 5: Solve for x
    x = 5,006,457,929.12/62,793.10
  6. Step 6: Final answer
    x = 79,729.43

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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.