Home / 98,564.08-147,847.20-28,444

Finding the Fourth Proportional to 98,564.08, 147,847.20 and 28,444

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Solution

The fourth proportional to 98,564.08, 147,847.20 and 28,444 is: 42,666.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,564.08 : 147,847.20 = 28,444 : x
  2. Step 2: Convert to fraction form
    98,564.08/147,847.20 = 28,444/x
  3. Step 3: Cross multiply
    98,564.08x = 147,847.20 × 28,444
  4. Step 4: Simplify right side
    98,564.08x = 4,205,365,756.80
  5. Step 5: Solve for x
    x = 4,205,365,756.80/98,564.08
  6. Step 6: Final answer
    x = 42,666.31

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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.