Home / 81,646.14-112,668.06-45,835.44

Finding the Fourth Proportional to 81,646.14, 112,668.06 and 45,835.44

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Solution

The fourth proportional to 81,646.14, 112,668.06 and 45,835.44 is: 63,250.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,646.14 : 112,668.06 = 45,835.44 : x
  2. Step 2: Convert to fraction form
    81,646.14/112,668.06 = 45,835.44/x
  3. Step 3: Cross multiply
    81,646.14x = 112,668.06 × 45,835.44
  4. Step 4: Simplify right side
    81,646.14x = 5,164,190,104.05
  5. Step 5: Solve for x
    x = 5,164,190,104.05/81,646.14
  6. Step 6: Final answer
    x = 63,250.88

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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.