Home / 53,323.56-79,985.76-18,263.52

Finding the Fourth Proportional to 53,323.56, 79,985.76 and 18,263.52

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Solution

The fourth proportional to 53,323.56, 79,985.76 and 18,263.52 is: 27,395.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,323.56 : 79,985.76 = 18,263.52 : x
  2. Step 2: Convert to fraction form
    53,323.56/79,985.76 = 18,263.52/x
  3. Step 3: Cross multiply
    53,323.56x = 79,985.76 × 18,263.52
  4. Step 4: Simplify right side
    53,323.56x = 1,460,821,527.48
  5. Step 5: Solve for x
    x = 1,460,821,527.48/53,323.56
  6. Step 6: Final answer
    x = 27,395.42

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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.