Home / 86,835.22-130,262.28-27,657.08

Finding the Fourth Proportional to 86,835.22, 130,262.28 and 27,657.08

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Solution

The fourth proportional to 86,835.22, 130,262.28 and 27,657.08 is: 41,488.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,835.22 : 130,262.28 = 27,657.08 : x
  2. Step 2: Convert to fraction form
    86,835.22/130,262.28 = 27,657.08/x
  3. Step 3: Cross multiply
    86,835.22x = 130,262.28 × 27,657.08
  4. Step 4: Simplify right side
    86,835.22x = 3,602,674,298.94
  5. Step 5: Solve for x
    x = 3,602,674,298.94/86,835.22
  6. Step 6: Final answer
    x = 41,488.63

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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.