Home / 56,643.20-84,975-23,344.72

Finding the Fourth Proportional to 56,643.20, 84,975 and 23,344.72

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Solution

The fourth proportional to 56,643.20, 84,975 and 23,344.72 is: 35,021.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,643.20 : 84,975 = 23,344.72 : x
  2. Step 2: Convert to fraction form
    56,643.20/84,975 = 23,344.72/x
  3. Step 3: Cross multiply
    56,643.20x = 84,975 × 23,344.72
  4. Step 4: Simplify right side
    56,643.20x = 1,983,717,582
  5. Step 5: Solve for x
    x = 1,983,717,582/56,643.20
  6. Step 6: Final answer
    x = 35,021.28

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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.