Home / 79,772.10-119,620.08-46,501.76

Finding the Fourth Proportional to 79,772.10, 119,620.08 and 46,501.76

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Solution

The fourth proportional to 79,772.10, 119,620.08 and 46,501.76 is: 69,730.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,772.10 : 119,620.08 = 46,501.76 : x
  2. Step 2: Convert to fraction form
    79,772.10/119,620.08 = 46,501.76/x
  3. Step 3: Cross multiply
    79,772.10x = 119,620.08 × 46,501.76
  4. Step 4: Simplify right side
    79,772.10x = 5,562,543,653.24
  5. Step 5: Solve for x
    x = 5,562,543,653.24/79,772.10
  6. Step 6: Final answer
    x = 69,730.44

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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.