Home / 98,827.19-136,380.53-53,503.97

Finding the Fourth Proportional to 98,827.19, 136,380.53 and 53,503.97

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Solution

The fourth proportional to 98,827.19, 136,380.53 and 53,503.97 is: 73,834.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,827.19 : 136,380.53 = 53,503.97 : x
  2. Step 2: Convert to fraction form
    98,827.19/136,380.53 = 53,503.97/x
  3. Step 3: Cross multiply
    98,827.19x = 136,380.53 × 53,503.97
  4. Step 4: Simplify right side
    98,827.19x = 7,296,898,836.28
  5. Step 5: Solve for x
    x = 7,296,898,836.28/98,827.19
  6. Step 6: Final answer
    x = 73,834.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.