Home / 84,221.48-116,267.74-52,400.64

Finding the Fourth Proportional to 84,221.48, 116,267.74 and 52,400.64

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Solution

The fourth proportional to 84,221.48, 116,267.74 and 52,400.64 is: 72,339.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,221.48 : 116,267.74 = 52,400.64 : x
  2. Step 2: Convert to fraction form
    84,221.48/116,267.74 = 52,400.64/x
  3. Step 3: Cross multiply
    84,221.48x = 116,267.74 × 52,400.64
  4. Step 4: Simplify right side
    84,221.48x = 6,092,503,987.35
  5. Step 5: Solve for x
    x = 6,092,503,987.35/84,221.48
  6. Step 6: Final answer
    x = 72,339.08

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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.