Home / 83,525.34-115,265.43-45,285.18

Finding the Fourth Proportional to 83,525.34, 115,265.43 and 45,285.18

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Solution

The fourth proportional to 83,525.34, 115,265.43 and 45,285.18 is: 62,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,525.34 : 115,265.43 = 45,285.18 : x
  2. Step 2: Convert to fraction form
    83,525.34/115,265.43 = 45,285.18/x
  3. Step 3: Cross multiply
    83,525.34x = 115,265.43 × 45,285.18
  4. Step 4: Simplify right side
    83,525.34x = 5,219,815,745.33
  5. Step 5: Solve for x
    x = 5,219,815,745.33/83,525.34
  6. Step 6: Final answer
    x = 62,493.80

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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.