Home / 98,913.54-136,476.99-58,620.36

Finding the Fourth Proportional to 98,913.54, 136,476.99 and 58,620.36

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Solution

The fourth proportional to 98,913.54, 136,476.99 and 58,620.36 is: 80,882.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,913.54 : 136,476.99 = 58,620.36 : x
  2. Step 2: Convert to fraction form
    98,913.54/136,476.99 = 58,620.36/x
  3. Step 3: Cross multiply
    98,913.54x = 136,476.99 × 58,620.36
  4. Step 4: Simplify right side
    98,913.54x = 8,000,330,285.52
  5. Step 5: Solve for x
    x = 8,000,330,285.52/98,913.54
  6. Step 6: Final answer
    x = 80,882.05

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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.