Home / 86,125.08-129,187.68-23,795.64

Finding the Fourth Proportional to 86,125.08, 129,187.68 and 23,795.64

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Solution

The fourth proportional to 86,125.08, 129,187.68 and 23,795.64 is: 35,693.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,125.08 : 129,187.68 = 23,795.64 : x
  2. Step 2: Convert to fraction form
    86,125.08/129,187.68 = 23,795.64/x
  3. Step 3: Cross multiply
    86,125.08x = 129,187.68 × 23,795.64
  4. Step 4: Simplify right side
    86,125.08x = 3,074,103,525.72
  5. Step 5: Solve for x
    x = 3,074,103,525.72/86,125.08
  6. Step 6: Final answer
    x = 35,693.48

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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.