Home / 55,407.63-76,453.59-31,534.68

Finding the Fourth Proportional to 55,407.63, 76,453.59 and 31,534.68

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Solution

The fourth proportional to 55,407.63, 76,453.59 and 31,534.68 is: 43,512.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,407.63 : 76,453.59 = 31,534.68 : x
  2. Step 2: Convert to fraction form
    55,407.63/76,453.59 = 31,534.68/x
  3. Step 3: Cross multiply
    55,407.63x = 76,453.59 × 31,534.68
  4. Step 4: Simplify right side
    55,407.63x = 2,410,939,495.50
  5. Step 5: Solve for x
    x = 2,410,939,495.50/55,407.63
  6. Step 6: Final answer
    x = 43,512.77

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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.