Home / 86,263.29-129,406.95-27,103.59

Finding the Fourth Proportional to 86,263.29, 129,406.95 and 27,103.59

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Solution

The fourth proportional to 86,263.29, 129,406.95 and 27,103.59 is: 40,659.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,263.29 : 129,406.95 = 27,103.59 : x
  2. Step 2: Convert to fraction form
    86,263.29/129,406.95 = 27,103.59/x
  3. Step 3: Cross multiply
    86,263.29x = 129,406.95 × 27,103.59
  4. Step 4: Simplify right side
    86,263.29x = 3,507,392,915.95
  5. Step 5: Solve for x
    x = 3,507,392,915.95/86,263.29
  6. Step 6: Final answer
    x = 40,659.16

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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.