Home / 86,504.08-129,744.96-27,345.76

Finding the Fourth Proportional to 86,504.08, 129,744.96 and 27,345.76

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Solution

The fourth proportional to 86,504.08, 129,744.96 and 27,345.76 is: 41,015.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,504.08 : 129,744.96 = 27,345.76 : x
  2. Step 2: Convert to fraction form
    86,504.08/129,744.96 = 27,345.76/x
  3. Step 3: Cross multiply
    86,504.08x = 129,744.96 × 27,345.76
  4. Step 4: Simplify right side
    86,504.08x = 3,547,974,537.37
  5. Step 5: Solve for x
    x = 3,547,974,537.37/86,504.08
  6. Step 6: Final answer
    x = 41,015.11

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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.