Home / 77,623.90-116,341.74-55,099.14

Finding the Fourth Proportional to 77,623.90, 116,341.74 and 55,099.14

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Solution

The fourth proportional to 77,623.90, 116,341.74 and 55,099.14 is: 82,581.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,623.90 : 116,341.74 = 55,099.14 : x
  2. Step 2: Convert to fraction form
    77,623.90/116,341.74 = 55,099.14/x
  3. Step 3: Cross multiply
    77,623.90x = 116,341.74 × 55,099.14
  4. Step 4: Simplify right side
    77,623.90x = 6,410,329,820.10
  5. Step 5: Solve for x
    x = 6,410,329,820.10/77,623.90
  6. Step 6: Final answer
    x = 82,581.91

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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.