Home / 55,615.84-76,749.86-31,742.01

Finding the Fourth Proportional to 55,615.84, 76,749.86 and 31,742.01

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Solution

The fourth proportional to 55,615.84, 76,749.86 and 31,742.01 is: 43,803.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,615.84 : 76,749.86 = 31,742.01 : x
  2. Step 2: Convert to fraction form
    55,615.84/76,749.86 = 31,742.01/x
  3. Step 3: Cross multiply
    55,615.84x = 76,749.86 × 31,742.01
  4. Step 4: Simplify right side
    55,615.84x = 2,436,194,823.62
  5. Step 5: Solve for x
    x = 2,436,194,823.62/55,615.84
  6. Step 6: Final answer
    x = 43,803.97

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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.