Home / 86,328.54-129,493.08-23,999.04

Finding the Fourth Proportional to 86,328.54, 129,493.08 and 23,999.04

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Solution

The fourth proportional to 86,328.54, 129,493.08 and 23,999.04 is: 35,998.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,328.54 : 129,493.08 = 23,999.04 : x
  2. Step 2: Convert to fraction form
    86,328.54/129,493.08 = 23,999.04/x
  3. Step 3: Cross multiply
    86,328.54x = 129,493.08 × 23,999.04
  4. Step 4: Simplify right side
    86,328.54x = 3,107,709,606.64
  5. Step 5: Solve for x
    x = 3,107,709,606.64/86,328.54
  6. Step 6: Final answer
    x = 35,998.64

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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.