Home / 55,241.16-76,233.69-31,368.48

Finding the Fourth Proportional to 55,241.16, 76,233.69 and 31,368.48

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Solution

The fourth proportional to 55,241.16, 76,233.69 and 31,368.48 is: 43,289.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,241.16 : 76,233.69 = 31,368.48 : x
  2. Step 2: Convert to fraction form
    55,241.16/76,233.69 = 31,368.48/x
  3. Step 3: Cross multiply
    55,241.16x = 76,233.69 × 31,368.48
  4. Step 4: Simplify right side
    55,241.16x = 2,391,334,980.09
  5. Step 5: Solve for x
    x = 2,391,334,980.09/55,241.16
  6. Step 6: Final answer
    x = 43,289.01

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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.