Home / 86,547.96-129,829.23-27,382.32

Finding the Fourth Proportional to 86,547.96, 129,829.23 and 27,382.32

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Solution

The fourth proportional to 86,547.96, 129,829.23 and 27,382.32 is: 41,075.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,547.96 : 129,829.23 = 27,382.32 : x
  2. Step 2: Convert to fraction form
    86,547.96/129,829.23 = 27,382.32/x
  3. Step 3: Cross multiply
    86,547.96x = 129,829.23 × 27,382.32
  4. Step 4: Simplify right side
    86,547.96x = 3,555,025,521.21
  5. Step 5: Solve for x
    x = 3,555,025,521.21/86,547.96
  6. Step 6: Final answer
    x = 41,075.79

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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.