Home / 55,927.48-83,812.12-30,978.96

Finding the Fourth Proportional to 55,927.48, 83,812.12 and 30,978.96

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Solution

The fourth proportional to 55,927.48, 83,812.12 and 30,978.96 is: 46,424.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,927.48 : 83,812.12 = 30,978.96 : x
  2. Step 2: Convert to fraction form
    55,927.48/83,812.12 = 30,978.96/x
  3. Step 3: Cross multiply
    55,927.48x = 83,812.12 × 30,978.96
  4. Step 4: Simplify right side
    55,927.48x = 2,596,412,313.00
  5. Step 5: Solve for x
    x = 2,596,412,313.00/55,927.48
  6. Step 6: Final answer
    x = 46,424.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.