Home / 82,848.20-124,272.30-70,017.80

Finding the Fourth Proportional to 82,848.20, 124,272.30 and 70,017.80

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Solution

The fourth proportional to 82,848.20, 124,272.30 and 70,017.80 is: 105,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,848.20 : 124,272.30 = 70,017.80 : x
  2. Step 2: Convert to fraction form
    82,848.20/124,272.30 = 70,017.80/x
  3. Step 3: Cross multiply
    82,848.20x = 124,272.30 × 70,017.80
  4. Step 4: Simplify right side
    82,848.20x = 8,701,273,046.94
  5. Step 5: Solve for x
    x = 8,701,273,046.94/82,848.20
  6. Step 6: Final answer
    x = 105,026.70

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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.