Home / 98,577.72-147,844.98-28,441.80

Finding the Fourth Proportional to 98,577.72, 147,844.98 and 28,441.80

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Solution

The fourth proportional to 98,577.72, 147,844.98 and 28,441.80 is: 42,656.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,577.72 : 147,844.98 = 28,441.80 : x
  2. Step 2: Convert to fraction form
    98,577.72/147,844.98 = 28,441.80/x
  3. Step 3: Cross multiply
    98,577.72x = 147,844.98 × 28,441.80
  4. Step 4: Simplify right side
    98,577.72x = 4,204,977,352.16
  5. Step 5: Solve for x
    x = 4,204,977,352.16/98,577.72
  6. Step 6: Final answer
    x = 42,656.47

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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.