Home / 98,706.33-136,214.31-53,384.37

Finding the Fourth Proportional to 98,706.33, 136,214.31 and 53,384.37

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Solution

The fourth proportional to 98,706.33, 136,214.31 and 53,384.37 is: 73,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,706.33 : 136,214.31 = 53,384.37 : x
  2. Step 2: Convert to fraction form
    98,706.33/136,214.31 = 53,384.37/x
  3. Step 3: Cross multiply
    98,706.33x = 136,214.31 × 53,384.37
  4. Step 4: Simplify right side
    98,706.33x = 7,271,715,124.33
  5. Step 5: Solve for x
    x = 7,271,715,124.33/98,706.33
  6. Step 6: Final answer
    x = 73,670.20

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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.