Home / 58,512.83-80,747.60-31,655.36

Finding the Fourth Proportional to 58,512.83, 80,747.60 and 31,655.36

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Solution

The fourth proportional to 58,512.83, 80,747.60 and 31,655.36 is: 43,684.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,512.83 : 80,747.60 = 31,655.36 : x
  2. Step 2: Convert to fraction form
    58,512.83/80,747.60 = 31,655.36/x
  3. Step 3: Cross multiply
    58,512.83x = 80,747.60 × 31,655.36
  4. Step 4: Simplify right side
    58,512.83x = 2,556,094,188.86
  5. Step 5: Solve for x
    x = 2,556,094,188.86/58,512.83
  6. Step 6: Final answer
    x = 43,684.34

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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.