Home / 77,748.92-116,473.04-65,119

Finding the Fourth Proportional to 77,748.92, 116,473.04 and 65,119

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Solution

The fourth proportional to 77,748.92, 116,473.04 and 65,119 is: 97,552.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,748.92 : 116,473.04 = 65,119 : x
  2. Step 2: Convert to fraction form
    77,748.92/116,473.04 = 65,119/x
  3. Step 3: Cross multiply
    77,748.92x = 116,473.04 × 65,119
  4. Step 4: Simplify right side
    77,748.92x = 7,584,607,891.76
  5. Step 5: Solve for x
    x = 7,584,607,891.76/77,748.92
  6. Step 6: Final answer
    x = 97,552.58

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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.