Home / 58,243.40-87,233.80-40,791.12

Finding the Fourth Proportional to 58,243.40, 87,233.80 and 40,791.12

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Solution

The fourth proportional to 58,243.40, 87,233.80 and 40,791.12 is: 61,094.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,243.40 : 87,233.80 = 40,791.12 : x
  2. Step 2: Convert to fraction form
    58,243.40/87,233.80 = 40,791.12/x
  3. Step 3: Cross multiply
    58,243.40x = 87,233.80 × 40,791.12
  4. Step 4: Simplify right side
    58,243.40x = 3,558,364,403.86
  5. Step 5: Solve for x
    x = 3,558,364,403.86/58,243.40
  6. Step 6: Final answer
    x = 61,094.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.