Home / 83,056.78-124,594.49-30,466.11

Finding the Fourth Proportional to 83,056.78, 124,594.49 and 30,466.11

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Solution

The fourth proportional to 83,056.78, 124,594.49 and 30,466.11 is: 45,702.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,056.78 : 124,594.49 = 30,466.11 : x
  2. Step 2: Convert to fraction form
    83,056.78/124,594.49 = 30,466.11/x
  3. Step 3: Cross multiply
    83,056.78x = 124,594.49 × 30,466.11
  4. Step 4: Simplify right side
    83,056.78x = 3,795,909,437.73
  5. Step 5: Solve for x
    x = 3,795,909,437.73/83,056.78
  6. Step 6: Final answer
    x = 45,702.58

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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.