Home / 57,983.52-86,975.28-14,207.52

Finding the Fourth Proportional to 57,983.52, 86,975.28 and 14,207.52

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Solution

The fourth proportional to 57,983.52, 86,975.28 and 14,207.52 is: 21,311.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,983.52 : 86,975.28 = 14,207.52 : x
  2. Step 2: Convert to fraction form
    57,983.52/86,975.28 = 14,207.52/x
  3. Step 3: Cross multiply
    57,983.52x = 86,975.28 × 14,207.52
  4. Step 4: Simplify right side
    57,983.52x = 1,235,703,030.11
  5. Step 5: Solve for x
    x = 1,235,703,030.11/57,983.52
  6. Step 6: Final answer
    x = 21,311.28

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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.