Home / 84,848.10-127,272.15-49,272.90

Finding the Fourth Proportional to 84,848.10, 127,272.15 and 49,272.90

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Solution

The fourth proportional to 84,848.10, 127,272.15 and 49,272.90 is: 73,909.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,848.10 : 127,272.15 = 49,272.90 : x
  2. Step 2: Convert to fraction form
    84,848.10/127,272.15 = 49,272.90/x
  3. Step 3: Cross multiply
    84,848.10x = 127,272.15 × 49,272.90
  4. Step 4: Simplify right side
    84,848.10x = 6,271,067,919.74
  5. Step 5: Solve for x
    x = 6,271,067,919.74/84,848.10
  6. Step 6: Final answer
    x = 73,909.35

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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.