Home / 78,535.63-108,371.08-46,698.38

Finding the Fourth Proportional to 78,535.63, 108,371.08 and 46,698.38

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Solution

The fourth proportional to 78,535.63, 108,371.08 and 46,698.38 is: 64,438.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,535.63 : 108,371.08 = 46,698.38 : x
  2. Step 2: Convert to fraction form
    78,535.63/108,371.08 = 46,698.38/x
  3. Step 3: Cross multiply
    78,535.63x = 108,371.08 × 46,698.38
  4. Step 4: Simplify right side
    78,535.63x = 5,060,753,874.85
  5. Step 5: Solve for x
    x = 5,060,753,874.85/78,535.63
  6. Step 6: Final answer
    x = 64,438.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.