Home / 84,078.08-116,035.88-62,820.44

Finding the Fourth Proportional to 84,078.08, 116,035.88 and 62,820.44

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Solution

The fourth proportional to 84,078.08, 116,035.88 and 62,820.44 is: 86,698.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,078.08 : 116,035.88 = 62,820.44 : x
  2. Step 2: Convert to fraction form
    84,078.08/116,035.88 = 62,820.44/x
  3. Step 3: Cross multiply
    84,078.08x = 116,035.88 × 62,820.44
  4. Step 4: Simplify right side
    84,078.08x = 7,289,425,037.39
  5. Step 5: Solve for x
    x = 7,289,425,037.39/84,078.08
  6. Step 6: Final answer
    x = 86,698.28

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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.