Home / 54,328.90-81,489.30-22,730.80

Finding the Fourth Proportional to 54,328.90, 81,489.30 and 22,730.80

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Solution

The fourth proportional to 54,328.90, 81,489.30 and 22,730.80 is: 34,094.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328.90 : 81,489.30 = 22,730.80 : x
  2. Step 2: Convert to fraction form
    54,328.90/81,489.30 = 22,730.80/x
  3. Step 3: Cross multiply
    54,328.90x = 81,489.30 × 22,730.80
  4. Step 4: Simplify right side
    54,328.90x = 1,852,316,980.44
  5. Step 5: Solve for x
    x = 1,852,316,980.44/54,328.90
  6. Step 6: Final answer
    x = 34,094.51

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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.