Home / 55,539.52-76,644.14-30,389.02

Finding the Fourth Proportional to 55,539.52, 76,644.14 and 30,389.02

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Solution

The fourth proportional to 55,539.52, 76,644.14 and 30,389.02 is: 41,936.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,539.52 : 76,644.14 = 30,389.02 : x
  2. Step 2: Convert to fraction form
    55,539.52/76,644.14 = 30,389.02/x
  3. Step 3: Cross multiply
    55,539.52x = 76,644.14 × 30,389.02
  4. Step 4: Simplify right side
    55,539.52x = 2,329,140,303.34
  5. Step 5: Solve for x
    x = 2,329,140,303.34/55,539.52
  6. Step 6: Final answer
    x = 41,936.63

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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.