Home / 77,697.16-116,457.54-68,319.04

Finding the Fourth Proportional to 77,697.16, 116,457.54 and 68,319.04

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Solution

The fourth proportional to 77,697.16, 116,457.54 and 68,319.04 is: 102,401.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,697.16 : 116,457.54 = 68,319.04 : x
  2. Step 2: Convert to fraction form
    77,697.16/116,457.54 = 68,319.04/x
  3. Step 3: Cross multiply
    77,697.16x = 116,457.54 × 68,319.04
  4. Step 4: Simplify right side
    77,697.16x = 7,956,267,333.56
  5. Step 5: Solve for x
    x = 7,956,267,333.56/77,697.16
  6. Step 6: Final answer
    x = 102,401.01

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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.