Home / 86,276.01-129,427.07-27,106.11

Finding the Fourth Proportional to 86,276.01, 129,427.07 and 27,106.11

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Solution

The fourth proportional to 86,276.01, 129,427.07 and 27,106.11 is: 40,663.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,276.01 : 129,427.07 = 27,106.11 : x
  2. Step 2: Convert to fraction form
    86,276.01/129,427.07 = 27,106.11/x
  3. Step 3: Cross multiply
    86,276.01x = 129,427.07 × 27,106.11
  4. Step 4: Simplify right side
    86,276.01x = 3,508,263,613.73
  5. Step 5: Solve for x
    x = 3,508,263,613.73/86,276.01
  6. Step 6: Final answer
    x = 40,663.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.