Home / 55,912.14-83,341.44-51,427.98

Finding the Fourth Proportional to 55,912.14, 83,341.44 and 51,427.98

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Solution

The fourth proportional to 55,912.14, 83,341.44 and 51,427.98 is: 76,657.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,912.14 : 83,341.44 = 51,427.98 : x
  2. Step 2: Convert to fraction form
    55,912.14/83,341.44 = 51,427.98/x
  3. Step 3: Cross multiply
    55,912.14x = 83,341.44 × 51,427.98
  4. Step 4: Simplify right side
    55,912.14x = 4,286,081,909.49
  5. Step 5: Solve for x
    x = 4,286,081,909.49/55,912.14
  6. Step 6: Final answer
    x = 76,657.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.