Home / 86,504.10-129,744.98-27,345.74

Finding the Fourth Proportional to 86,504.10, 129,744.98 and 27,345.74

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Solution

The fourth proportional to 86,504.10, 129,744.98 and 27,345.74 is: 41,015.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,504.10 : 129,744.98 = 27,345.74 : x
  2. Step 2: Convert to fraction form
    86,504.10/129,744.98 = 27,345.74/x
  3. Step 3: Cross multiply
    86,504.10x = 129,744.98 × 27,345.74
  4. Step 4: Simplify right side
    86,504.10x = 3,547,972,489.39
  5. Step 5: Solve for x
    x = 3,547,972,489.39/86,504.10
  6. Step 6: Final answer
    x = 41,015.08

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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.