Home / 112,392.48-168,588.72-29,280

Finding the Fourth Proportional to 112,392.48, 168,588.72 and 29,280

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Solution

The fourth proportional to 112,392.48, 168,588.72 and 29,280 is: 43,920.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,392.48 : 168,588.72 = 29,280 : x
  2. Step 2: Convert to fraction form
    112,392.48/168,588.72 = 29,280/x
  3. Step 3: Cross multiply
    112,392.48x = 168,588.72 × 29,280
  4. Step 4: Simplify right side
    112,392.48x = 4,936,277,721.60
  5. Step 5: Solve for x
    x = 4,936,277,721.60/112,392.48
  6. Step 6: Final answer
    x = 43,920.00

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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.