Home / 101,897.37-140,622.76-56,575.35

Finding the Fourth Proportional to 101,897.37, 140,622.76 and 56,575.35

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Solution

The fourth proportional to 101,897.37, 140,622.76 and 56,575.35 is: 78,076.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,897.37 : 140,622.76 = 56,575.35 : x
  2. Step 2: Convert to fraction form
    101,897.37/140,622.76 = 56,575.35/x
  3. Step 3: Cross multiply
    101,897.37x = 140,622.76 × 56,575.35
  4. Step 4: Simplify right side
    101,897.37x = 7,955,782,468.69
  5. Step 5: Solve for x
    x = 7,955,782,468.69/101,897.37
  6. Step 6: Final answer
    x = 78,076.43

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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.