Home / 84,459.77-116,546.55-57,180.36

Finding the Fourth Proportional to 84,459.77, 116,546.55 and 57,180.36

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Solution

The fourth proportional to 84,459.77, 116,546.55 and 57,180.36 is: 78,903.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,459.77 : 116,546.55 = 57,180.36 : x
  2. Step 2: Convert to fraction form
    84,459.77/116,546.55 = 57,180.36/x
  3. Step 3: Cross multiply
    84,459.77x = 116,546.55 × 57,180.36
  4. Step 4: Simplify right side
    84,459.77x = 6,664,173,399.86
  5. Step 5: Solve for x
    x = 6,664,173,399.86/84,459.77
  6. Step 6: Final answer
    x = 78,903.52

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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.