Home / 86,457.47-129,675.27-23,282.64

Finding the Fourth Proportional to 86,457.47, 129,675.27 and 23,282.64

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Solution

The fourth proportional to 86,457.47, 129,675.27 and 23,282.64 is: 34,921.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,457.47 : 129,675.27 = 23,282.64 : x
  2. Step 2: Convert to fraction form
    86,457.47/129,675.27 = 23,282.64/x
  3. Step 3: Cross multiply
    86,457.47x = 129,675.27 × 23,282.64
  4. Step 4: Simplify right side
    86,457.47x = 3,019,181,979.94
  5. Step 5: Solve for x
    x = 3,019,181,979.94/86,457.47
  6. Step 6: Final answer
    x = 34,921.01

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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.