Home / 76,919.66-106,197.18-58,980.18

Finding the Fourth Proportional to 76,919.66, 106,197.18 and 58,980.18

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Solution

The fourth proportional to 76,919.66, 106,197.18 and 58,980.18 is: 81,429.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,919.66 : 106,197.18 = 58,980.18 : x
  2. Step 2: Convert to fraction form
    76,919.66/106,197.18 = 58,980.18/x
  3. Step 3: Cross multiply
    76,919.66x = 106,197.18 × 58,980.18
  4. Step 4: Simplify right side
    76,919.66x = 6,263,528,791.89
  5. Step 5: Solve for x
    x = 6,263,528,791.89/76,919.66
  6. Step 6: Final answer
    x = 81,429.49

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1.5x scale

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.