Home / 98,878.08-148,328.64-32,323.20

Finding the Fourth Proportional to 98,878.08, 148,328.64 and 32,323.20

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Solution

The fourth proportional to 98,878.08, 148,328.64 and 32,323.20 is: 48,488.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,878.08 : 148,328.64 = 32,323.20 : x
  2. Step 2: Convert to fraction form
    98,878.08/148,328.64 = 32,323.20/x
  3. Step 3: Cross multiply
    98,878.08x = 148,328.64 × 32,323.20
  4. Step 4: Simplify right side
    98,878.08x = 4,794,456,296.45
  5. Step 5: Solve for x
    x = 4,794,456,296.45/98,878.08
  6. Step 6: Final answer
    x = 48,488.57

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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.