Home / 45,973.20-69,024.60-28,477.20

Finding the Fourth Proportional to 45,973.20, 69,024.60 and 28,477.20

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Solution

The fourth proportional to 45,973.20, 69,024.60 and 28,477.20 is: 42,755.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,973.20 : 69,024.60 = 28,477.20 : x
  2. Step 2: Convert to fraction form
    45,973.20/69,024.60 = 28,477.20/x
  3. Step 3: Cross multiply
    45,973.20x = 69,024.60 × 28,477.20
  4. Step 4: Simplify right side
    45,973.20x = 1,965,627,339.12
  5. Step 5: Solve for x
    x = 1,965,627,339.12/45,973.20
  6. Step 6: Final answer
    x = 42,755.94

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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.