Home / 77,848.06-107,421.24-43,853.98

Finding the Fourth Proportional to 77,848.06, 107,421.24 and 43,853.98

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Solution

The fourth proportional to 77,848.06, 107,421.24 and 43,853.98 is: 60,513.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,848.06 : 107,421.24 = 43,853.98 : x
  2. Step 2: Convert to fraction form
    77,848.06/107,421.24 = 43,853.98/x
  3. Step 3: Cross multiply
    77,848.06x = 107,421.24 × 43,853.98
  4. Step 4: Simplify right side
    77,848.06x = 4,710,848,910.54
  5. Step 5: Solve for x
    x = 4,710,848,910.54/77,848.06
  6. Step 6: Final answer
    x = 60,513.38

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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.