Home / 55,076.14-76,004.88-31,207.36

Finding the Fourth Proportional to 55,076.14, 76,004.88 and 31,207.36

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Solution

The fourth proportional to 55,076.14, 76,004.88 and 31,207.36 is: 43,066.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,076.14 : 76,004.88 = 31,207.36 : x
  2. Step 2: Convert to fraction form
    55,076.14/76,004.88 = 31,207.36/x
  3. Step 3: Cross multiply
    55,076.14x = 76,004.88 × 31,207.36
  4. Step 4: Simplify right side
    55,076.14x = 2,371,911,651.92
  5. Step 5: Solve for x
    x = 2,371,911,651.92/55,076.14
  6. Step 6: Final answer
    x = 43,066.05

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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.