Home / 106,403.79-146,838.21-58,658.84

Finding the Fourth Proportional to 106,403.79, 146,838.21 and 58,658.84

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Solution

The fourth proportional to 106,403.79, 146,838.21 and 58,658.84 is: 80,949.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,403.79 : 146,838.21 = 58,658.84 : x
  2. Step 2: Convert to fraction form
    106,403.79/146,838.21 = 58,658.84/x
  3. Step 3: Cross multiply
    106,403.79x = 146,838.21 × 58,658.84
  4. Step 4: Simplify right side
    106,403.79x = 8,613,358,772.98
  5. Step 5: Solve for x
    x = 8,613,358,772.98/106,403.79
  6. Step 6: Final answer
    x = 80,949.74

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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.