Home / 84,235.08-116,226.78-49,303.20

Finding the Fourth Proportional to 84,235.08, 116,226.78 and 49,303.20

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Solution

The fourth proportional to 84,235.08, 116,226.78 and 49,303.20 is: 68,028.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,235.08 : 116,226.78 = 49,303.20 : x
  2. Step 2: Convert to fraction form
    84,235.08/116,226.78 = 49,303.20/x
  3. Step 3: Cross multiply
    84,235.08x = 116,226.78 × 49,303.20
  4. Step 4: Simplify right side
    84,235.08x = 5,730,352,179.70
  5. Step 5: Solve for x
    x = 5,730,352,179.70/84,235.08
  6. Step 6: Final answer
    x = 68,028.10

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1.5x scale

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.