Home / 54,431.37-81,678.58-22,838.63

Finding the Fourth Proportional to 54,431.37, 81,678.58 and 22,838.63

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Solution

The fourth proportional to 54,431.37, 81,678.58 and 22,838.63 is: 34,271.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,431.37 : 81,678.58 = 22,838.63 : x
  2. Step 2: Convert to fraction form
    54,431.37/81,678.58 = 22,838.63/x
  3. Step 3: Cross multiply
    54,431.37x = 81,678.58 × 22,838.63
  4. Step 4: Simplify right side
    54,431.37x = 1,865,426,402.06
  5. Step 5: Solve for x
    x = 1,865,426,402.06/54,431.37
  6. Step 6: Final answer
    x = 34,271.16

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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.