Home / 98,825.69-136,378.46-53,502.47

Finding the Fourth Proportional to 98,825.69, 136,378.46 and 53,502.47

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Solution

The fourth proportional to 98,825.69, 136,378.46 and 53,502.47 is: 73,832.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,825.69 : 136,378.46 = 53,502.47 : x
  2. Step 2: Convert to fraction form
    98,825.69/136,378.46 = 53,502.47/x
  3. Step 3: Cross multiply
    98,825.69x = 136,378.46 × 53,502.47
  4. Step 4: Simplify right side
    98,825.69x = 7,296,583,515.39
  5. Step 5: Solve for x
    x = 7,296,583,515.39/98,825.69
  6. Step 6: Final answer
    x = 73,832.87

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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.