Home / 84,450.35-116,490.71-55,770.28

Finding the Fourth Proportional to 84,450.35, 116,490.71 and 55,770.28

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Solution

The fourth proportional to 84,450.35, 116,490.71 and 55,770.28 is: 76,929.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,450.35 : 116,490.71 = 55,770.28 : x
  2. Step 2: Convert to fraction form
    84,450.35/116,490.71 = 55,770.28/x
  3. Step 3: Cross multiply
    84,450.35x = 116,490.71 × 55,770.28
  4. Step 4: Simplify right side
    84,450.35x = 6,496,719,362.30
  5. Step 5: Solve for x
    x = 6,496,719,362.30/84,450.35
  6. Step 6: Final answer
    x = 76,929.45

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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.