Home / 86,457.27-129,649.19-33,858.39

Finding the Fourth Proportional to 86,457.27, 129,649.19 and 33,858.39

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Solution

The fourth proportional to 86,457.27, 129,649.19 and 33,858.39 is: 50,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,457.27 : 129,649.19 = 33,858.39 : x
  2. Step 2: Convert to fraction form
    86,457.27/129,649.19 = 33,858.39/x
  3. Step 3: Cross multiply
    86,457.27x = 129,649.19 × 33,858.39
  4. Step 4: Simplify right side
    86,457.27x = 4,389,712,668.91
  5. Step 5: Solve for x
    x = 4,389,712,668.91/86,457.27
  6. Step 6: Final answer
    x = 50,773.20

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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.