Home / 79,913.34-119,890.77-65,705.24

Finding the Fourth Proportional to 79,913.34, 119,890.77 and 65,705.24

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Solution

The fourth proportional to 79,913.34, 119,890.77 and 65,705.24 is: 98,574.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,913.34 : 119,890.77 = 65,705.24 : x
  2. Step 2: Convert to fraction form
    79,913.34/119,890.77 = 65,705.24/x
  3. Step 3: Cross multiply
    79,913.34x = 119,890.77 × 65,705.24
  4. Step 4: Simplify right side
    79,913.34x = 7,877,451,217.18
  5. Step 5: Solve for x
    x = 7,877,451,217.18/79,913.34
  6. Step 6: Final answer
    x = 98,574.92

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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.