Home / 55,453.55-76,525.81-31,580.24

Finding the Fourth Proportional to 55,453.55, 76,525.81 and 31,580.24

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Solution

The fourth proportional to 55,453.55, 76,525.81 and 31,580.24 is: 43,580.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,453.55 : 76,525.81 = 31,580.24 : x
  2. Step 2: Convert to fraction form
    55,453.55/76,525.81 = 31,580.24/x
  3. Step 3: Cross multiply
    55,453.55x = 76,525.81 × 31,580.24
  4. Step 4: Simplify right side
    55,453.55x = 2,416,703,445.99
  5. Step 5: Solve for x
    x = 2,416,703,445.99/55,453.55
  6. Step 6: Final answer
    x = 43,580.68

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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.