Home / 86,761.84-130,180.02-27,602.32

Finding the Fourth Proportional to 86,761.84, 130,180.02 and 27,602.32

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Solution

The fourth proportional to 86,761.84, 130,180.02 and 27,602.32 is: 41,415.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,761.84 : 130,180.02 = 27,602.32 : x
  2. Step 2: Convert to fraction form
    86,761.84/130,180.02 = 27,602.32/x
  3. Step 3: Cross multiply
    86,761.84x = 130,180.02 × 27,602.32
  4. Step 4: Simplify right side
    86,761.84x = 3,593,270,569.65
  5. Step 5: Solve for x
    x = 3,593,270,569.65/86,761.84
  6. Step 6: Final answer
    x = 41,415.33

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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.