Home / 53,163.16-73,364.80-29,289.28

Finding the Fourth Proportional to 53,163.16, 73,364.80 and 29,289.28

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Solution

The fourth proportional to 53,163.16, 73,364.80 and 29,289.28 is: 40,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,163.16 : 73,364.80 = 29,289.28 : x
  2. Step 2: Convert to fraction form
    53,163.16/73,364.80 = 29,289.28/x
  3. Step 3: Cross multiply
    53,163.16x = 73,364.80 × 29,289.28
  4. Step 4: Simplify right side
    53,163.16x = 2,148,802,169.34
  5. Step 5: Solve for x
    x = 2,148,802,169.34/53,163.16
  6. Step 6: Final answer
    x = 40,419.01

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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.