Home / 49,889-74,848.35-28,823.90

Finding the Fourth Proportional to 49,889, 74,848.35 and 28,823.90

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Solution

The fourth proportional to 49,889, 74,848.35 and 28,823.90 is: 43,244.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,889 : 74,848.35 = 28,823.90 : x
  2. Step 2: Convert to fraction form
    49,889/74,848.35 = 28,823.90/x
  3. Step 3: Cross multiply
    49,889x = 74,848.35 × 28,823.90
  4. Step 4: Simplify right side
    49,889x = 2,157,421,355.57
  5. Step 5: Solve for x
    x = 2,157,421,355.57/49,889
  6. Step 6: Final answer
    x = 43,244.43

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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.