Home / 98,975.75-136,586.91-53,653.82

Finding the Fourth Proportional to 98,975.75, 136,586.91 and 53,653.82

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Solution

The fourth proportional to 98,975.75, 136,586.91 and 53,653.82 is: 74,042.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,975.75 : 136,586.91 = 53,653.82 : x
  2. Step 2: Convert to fraction form
    98,975.75/136,586.91 = 53,653.82/x
  3. Step 3: Cross multiply
    98,975.75x = 136,586.91 × 53,653.82
  4. Step 4: Simplify right side
    98,975.75x = 7,328,409,483.50
  5. Step 5: Solve for x
    x = 7,328,409,483.50/98,975.75
  6. Step 6: Final answer
    x = 74,042.47

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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.