Home / 72,044.66-108,011.05-46,690.61

Finding the Fourth Proportional to 72,044.66, 108,011.05 and 46,690.61

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Solution

The fourth proportional to 72,044.66, 108,011.05 and 46,690.61 is: 69,999.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,044.66 : 108,011.05 = 46,690.61 : x
  2. Step 2: Convert to fraction form
    72,044.66/108,011.05 = 46,690.61/x
  3. Step 3: Cross multiply
    72,044.66x = 108,011.05 × 46,690.61
  4. Step 4: Simplify right side
    72,044.66x = 5,043,101,154.46
  5. Step 5: Solve for x
    x = 5,043,101,154.46/72,044.66
  6. Step 6: Final answer
    x = 69,999.65

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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.