Home / 86,522.18-129,782.48-27,357.88

Finding the Fourth Proportional to 86,522.18, 129,782.48 and 27,357.88

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Solution

The fourth proportional to 86,522.18, 129,782.48 and 27,357.88 is: 41,036.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,522.18 : 129,782.48 = 27,357.88 : x
  2. Step 2: Convert to fraction form
    86,522.18/129,782.48 = 27,357.88/x
  3. Step 3: Cross multiply
    86,522.18x = 129,782.48 × 27,357.88
  4. Step 4: Simplify right side
    86,522.18x = 3,550,573,513.94
  5. Step 5: Solve for x
    x = 3,550,573,513.94/86,522.18
  6. Step 6: Final answer
    x = 41,036.57

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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.