Home / 77,619.89-116,335.74-55,095.14

Finding the Fourth Proportional to 77,619.89, 116,335.74 and 55,095.14

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Solution

The fourth proportional to 77,619.89, 116,335.74 and 55,095.14 is: 82,575.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,619.89 : 116,335.74 = 55,095.14 : x
  2. Step 2: Convert to fraction form
    77,619.89/116,335.74 = 55,095.14/x
  3. Step 3: Cross multiply
    77,619.89x = 116,335.74 × 55,095.14
  4. Step 4: Simplify right side
    77,619.89x = 6,409,533,882.30
  5. Step 5: Solve for x
    x = 6,409,533,882.30/77,619.89
  6. Step 6: Final answer
    x = 82,575.92

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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.