Home / 48,848.10-73,272.15-42,821.70

Finding the Fourth Proportional to 48,848.10, 73,272.15 and 42,821.70

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Solution

The fourth proportional to 48,848.10, 73,272.15 and 42,821.70 is: 64,232.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,848.10 : 73,272.15 = 42,821.70 : x
  2. Step 2: Convert to fraction form
    48,848.10/73,272.15 = 42,821.70/x
  3. Step 3: Cross multiply
    48,848.10x = 73,272.15 × 42,821.70
  4. Step 4: Simplify right side
    48,848.10x = 3,137,638,025.66
  5. Step 5: Solve for x
    x = 3,137,638,025.66/48,848.10
  6. Step 6: Final answer
    x = 64,232.55

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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.