Home / 86,509.40-119,362.59-52,517.03

Finding the Fourth Proportional to 86,509.40, 119,362.59 and 52,517.03

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Solution

The fourth proportional to 86,509.40, 119,362.59 and 52,517.03 is: 72,461.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,509.40 : 119,362.59 = 52,517.03 : x
  2. Step 2: Convert to fraction form
    86,509.40/119,362.59 = 52,517.03/x
  3. Step 3: Cross multiply
    86,509.40x = 119,362.59 × 52,517.03
  4. Step 4: Simplify right side
    86,509.40x = 6,268,568,123.09
  5. Step 5: Solve for x
    x = 6,268,568,123.09/86,509.40
  6. Step 6: Final answer
    x = 72,461.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.