Home / 106,117.55-146,439.16-58,370.89

Finding the Fourth Proportional to 106,117.55, 146,439.16 and 58,370.89

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Solution

The fourth proportional to 106,117.55, 146,439.16 and 58,370.89 is: 80,550.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,117.55 : 146,439.16 = 58,370.89 : x
  2. Step 2: Convert to fraction form
    106,117.55/146,439.16 = 58,370.89/x
  3. Step 3: Cross multiply
    106,117.55x = 146,439.16 × 58,370.89
  4. Step 4: Simplify right side
    106,117.55x = 8,547,784,100.05
  5. Step 5: Solve for x
    x = 8,547,784,100.05/106,117.55
  6. Step 6: Final answer
    x = 80,550.15

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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.