Home / 55,453.01-76,525.05-31,579.68

Finding the Fourth Proportional to 55,453.01, 76,525.05 and 31,579.68

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Solution

The fourth proportional to 55,453.01, 76,525.05 and 31,579.68 is: 43,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,453.01 : 76,525.05 = 31,579.68 : x
  2. Step 2: Convert to fraction form
    55,453.01/76,525.05 = 31,579.68/x
  3. Step 3: Cross multiply
    55,453.01x = 76,525.05 × 31,579.68
  4. Step 4: Simplify right side
    55,453.01x = 2,416,636,590.98
  5. Step 5: Solve for x
    x = 2,416,636,590.98/55,453.01
  6. Step 6: Final answer
    x = 43,579.90

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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.