Home / 54,272.16-81,408.24-14,828.40

Finding the Fourth Proportional to 54,272.16, 81,408.24 and 14,828.40

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Solution

The fourth proportional to 54,272.16, 81,408.24 and 14,828.40 is: 22,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,272.16 : 81,408.24 = 14,828.40 : x
  2. Step 2: Convert to fraction form
    54,272.16/81,408.24 = 14,828.40/x
  3. Step 3: Cross multiply
    54,272.16x = 81,408.24 × 14,828.40
  4. Step 4: Simplify right side
    54,272.16x = 1,207,153,946.02
  5. Step 5: Solve for x
    x = 1,207,153,946.02/54,272.16
  6. Step 6: Final answer
    x = 22,242.60

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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.