Home / 98,418.78-147,619.80-58,946.94

Finding the Fourth Proportional to 98,418.78, 147,619.80 and 58,946.94

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Solution

The fourth proportional to 98,418.78, 147,619.80 and 58,946.94 is: 88,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,418.78 : 147,619.80 = 58,946.94 : x
  2. Step 2: Convert to fraction form
    98,418.78/147,619.80 = 58,946.94/x
  3. Step 3: Cross multiply
    98,418.78x = 147,619.80 × 58,946.94
  4. Step 4: Simplify right side
    98,418.78x = 8,701,735,493.41
  5. Step 5: Solve for x
    x = 8,701,735,493.41/98,418.78
  6. Step 6: Final answer
    x = 88,415.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.