Home / 84,834.54-117,038.12-49,017.96

Finding the Fourth Proportional to 84,834.54, 117,038.12 and 49,017.96

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Solution

The fourth proportional to 84,834.54, 117,038.12 and 49,017.96 is: 67,625.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,834.54 : 117,038.12 = 49,017.96 : x
  2. Step 2: Convert to fraction form
    84,834.54/117,038.12 = 49,017.96/x
  3. Step 3: Cross multiply
    84,834.54x = 117,038.12 × 49,017.96
  4. Step 4: Simplify right side
    84,834.54x = 5,736,969,639.55
  5. Step 5: Solve for x
    x = 5,736,969,639.55/84,834.54
  6. Step 6: Final answer
    x = 67,625.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.