Home / 45,927.36-63,412.80-31,755.60

Finding the Fourth Proportional to 45,927.36, 63,412.80 and 31,755.60

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Solution

The fourth proportional to 45,927.36, 63,412.80 and 31,755.60 is: 43,845.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,927.36 : 63,412.80 = 31,755.60 : x
  2. Step 2: Convert to fraction form
    45,927.36/63,412.80 = 31,755.60/x
  3. Step 3: Cross multiply
    45,927.36x = 63,412.80 × 31,755.60
  4. Step 4: Simplify right side
    45,927.36x = 2,013,711,511.68
  5. Step 5: Solve for x
    x = 2,013,711,511.68/45,927.36
  6. Step 6: Final answer
    x = 43,845.58

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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.