Home / 106,108.77-146,430.12-58,365.34

Finding the Fourth Proportional to 106,108.77, 146,430.12 and 58,365.34

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Solution

The fourth proportional to 106,108.77, 146,430.12 and 58,365.34 is: 80,544.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,108.77 : 146,430.12 = 58,365.34 : x
  2. Step 2: Convert to fraction form
    106,108.77/146,430.12 = 58,365.34/x
  3. Step 3: Cross multiply
    106,108.77x = 146,430.12 × 58,365.34
  4. Step 4: Simplify right side
    106,108.77x = 8,546,443,740.04
  5. Step 5: Solve for x
    x = 8,546,443,740.04/106,108.77
  6. Step 6: Final answer
    x = 80,544.18

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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.