Home / 84,458.43-116,064.72-80,555.40

Finding the Fourth Proportional to 84,458.43, 116,064.72 and 80,555.40

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Solution

The fourth proportional to 84,458.43, 116,064.72 and 80,555.40 is: 110,701.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,458.43 : 116,064.72 = 80,555.40 : x
  2. Step 2: Convert to fraction form
    84,458.43/116,064.72 = 80,555.40/x
  3. Step 3: Cross multiply
    84,458.43x = 116,064.72 × 80,555.40
  4. Step 4: Simplify right side
    84,458.43x = 9,349,639,945.49
  5. Step 5: Solve for x
    x = 9,349,639,945.49/84,458.43
  6. Step 6: Final answer
    x = 110,701.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.