Home / 98,921.42-136,511.69-53,599.39

Finding the Fourth Proportional to 98,921.42, 136,511.69 and 53,599.39

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Solution

The fourth proportional to 98,921.42, 136,511.69 and 53,599.39 is: 73,967.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,921.42 : 136,511.69 = 53,599.39 : x
  2. Step 2: Convert to fraction form
    98,921.42/136,511.69 = 53,599.39/x
  3. Step 3: Cross multiply
    98,921.42x = 136,511.69 × 53,599.39
  4. Step 4: Simplify right side
    98,921.42x = 7,316,943,043.87
  5. Step 5: Solve for x
    x = 7,316,943,043.87/98,921.42
  6. Step 6: Final answer
    x = 73,967.23

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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.