Home / 55,263.81-76,264.16-30,113.31

Finding the Fourth Proportional to 55,263.81, 76,264.16 and 30,113.31

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Solution

The fourth proportional to 55,263.81, 76,264.16 and 30,113.31 is: 41,556.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,263.81 : 76,264.16 = 30,113.31 : x
  2. Step 2: Convert to fraction form
    55,263.81/76,264.16 = 30,113.31/x
  3. Step 3: Cross multiply
    55,263.81x = 76,264.16 × 30,113.31
  4. Step 4: Simplify right side
    55,263.81x = 2,296,566,141.40
  5. Step 5: Solve for x
    x = 2,296,566,141.40/55,263.81
  6. Step 6: Final answer
    x = 41,556.42

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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.