Home / 86,457.45-129,675.24-27,299.10

Finding the Fourth Proportional to 86,457.45, 129,675.24 and 27,299.10

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Solution

The fourth proportional to 86,457.45, 129,675.24 and 27,299.10 is: 40,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,457.45 : 129,675.24 = 27,299.10 : x
  2. Step 2: Convert to fraction form
    86,457.45/129,675.24 = 27,299.10/x
  3. Step 3: Cross multiply
    86,457.45x = 129,675.24 × 27,299.10
  4. Step 4: Simplify right side
    86,457.45x = 3,540,017,344.28
  5. Step 5: Solve for x
    x = 3,540,017,344.28/86,457.45
  6. Step 6: Final answer
    x = 40,945.20

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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.