Home / 86,941.98-130,402.08-27,772.74

Finding the Fourth Proportional to 86,941.98, 130,402.08 and 27,772.74

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Solution

The fourth proportional to 86,941.98, 130,402.08 and 27,772.74 is: 41,655.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,941.98 : 130,402.08 = 27,772.74 : x
  2. Step 2: Convert to fraction form
    86,941.98/130,402.08 = 27,772.74/x
  3. Step 3: Cross multiply
    86,941.98x = 130,402.08 × 27,772.74
  4. Step 4: Simplify right side
    86,941.98x = 3,621,623,063.30
  5. Step 5: Solve for x
    x = 3,621,623,063.30/86,941.98
  6. Step 6: Final answer
    x = 41,655.63

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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.