Home / 54,106.40-81,159.60-29,223.20

Finding the Fourth Proportional to 54,106.40, 81,159.60 and 29,223.20

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Solution

The fourth proportional to 54,106.40, 81,159.60 and 29,223.20 is: 43,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,106.40 : 81,159.60 = 29,223.20 : x
  2. Step 2: Convert to fraction form
    54,106.40/81,159.60 = 29,223.20/x
  3. Step 3: Cross multiply
    54,106.40x = 81,159.60 × 29,223.20
  4. Step 4: Simplify right side
    54,106.40x = 2,371,743,222.72
  5. Step 5: Solve for x
    x = 2,371,743,222.72/54,106.40
  6. Step 6: Final answer
    x = 43,834.80

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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.