Home / 98,836.50-136,394.15-53,514.51

Finding the Fourth Proportional to 98,836.50, 136,394.15 and 53,514.51

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Solution

The fourth proportional to 98,836.50, 136,394.15 and 53,514.51 is: 73,849.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,836.50 : 136,394.15 = 53,514.51 : x
  2. Step 2: Convert to fraction form
    98,836.50/136,394.15 = 53,514.51/x
  3. Step 3: Cross multiply
    98,836.50x = 136,394.15 × 53,514.51
  4. Step 4: Simplify right side
    98,836.50x = 7,299,065,325.07
  5. Step 5: Solve for x
    x = 7,299,065,325.07/98,836.50
  6. Step 6: Final answer
    x = 73,849.89

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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.