Home / 55,842.58-77,063.01-30,693.70

Finding the Fourth Proportional to 55,842.58, 77,063.01 and 30,693.70

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Solution

The fourth proportional to 55,842.58, 77,063.01 and 30,693.70 is: 42,357.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,842.58 : 77,063.01 = 30,693.70 : x
  2. Step 2: Convert to fraction form
    55,842.58/77,063.01 = 30,693.70/x
  3. Step 3: Cross multiply
    55,842.58x = 77,063.01 × 30,693.70
  4. Step 4: Simplify right side
    55,842.58x = 2,365,348,910.04
  5. Step 5: Solve for x
    x = 2,365,348,910.04/55,842.58
  6. Step 6: Final answer
    x = 42,357.44

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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.