Home / 86,394.09-129,502.27-33,073.51

Finding the Fourth Proportional to 86,394.09, 129,502.27 and 33,073.51

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Solution

The fourth proportional to 86,394.09, 129,502.27 and 33,073.51 is: 49,576.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,394.09 : 129,502.27 = 33,073.51 : x
  2. Step 2: Convert to fraction form
    86,394.09/129,502.27 = 33,073.51/x
  3. Step 3: Cross multiply
    86,394.09x = 129,502.27 × 33,073.51
  4. Step 4: Simplify right side
    86,394.09x = 4,283,094,456.50
  5. Step 5: Solve for x
    x = 4,283,094,456.50/86,394.09
  6. Step 6: Final answer
    x = 49,576.24

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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.