Home / 98,701.26-136,207.34-53,379.29

Finding the Fourth Proportional to 98,701.26, 136,207.34 and 53,379.29

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Solution

The fourth proportional to 98,701.26, 136,207.34 and 53,379.29 is: 73,663.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,701.26 : 136,207.34 = 53,379.29 : x
  2. Step 2: Convert to fraction form
    98,701.26/136,207.34 = 53,379.29/x
  3. Step 3: Cross multiply
    98,701.26x = 136,207.34 × 53,379.29
  4. Step 4: Simplify right side
    98,701.26x = 7,270,651,575.96
  5. Step 5: Solve for x
    x = 7,270,651,575.96/98,701.26
  6. Step 6: Final answer
    x = 73,663.21

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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.