Home / 98,825.11-136,378.71-53,503.11

Finding the Fourth Proportional to 98,825.11, 136,378.71 and 53,503.11

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Solution

The fourth proportional to 98,825.11, 136,378.71 and 53,503.11 is: 73,834.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,825.11 : 136,378.71 = 53,503.11 : x
  2. Step 2: Convert to fraction form
    98,825.11/136,378.71 = 53,503.11/x
  3. Step 3: Cross multiply
    98,825.11x = 136,378.71 × 53,503.11
  4. Step 4: Simplify right side
    98,825.11x = 7,296,684,889.70
  5. Step 5: Solve for x
    x = 7,296,684,889.70/98,825.11
  6. Step 6: Final answer
    x = 73,834.32

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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.