Home / 86,333.29-119,145.42-52,345.03

Finding the Fourth Proportional to 86,333.29, 119,145.42 and 52,345.03

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Solution

The fourth proportional to 86,333.29, 119,145.42 and 52,345.03 is: 72,239.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,333.29 : 119,145.42 = 52,345.03 : x
  2. Step 2: Convert to fraction form
    86,333.29/119,145.42 = 52,345.03/x
  3. Step 3: Cross multiply
    86,333.29x = 119,145.42 × 52,345.03
  4. Step 4: Simplify right side
    86,333.29x = 6,236,669,988.54
  5. Step 5: Solve for x
    x = 6,236,669,988.54/86,333.29
  6. Step 6: Final answer
    x = 72,239.46

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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.