Home / 99,119.22-136,739.85-58,834.68

Finding the Fourth Proportional to 99,119.22, 136,739.85 and 58,834.68

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Solution

The fourth proportional to 99,119.22, 136,739.85 and 58,834.68 is: 81,165.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,119.22 : 136,739.85 = 58,834.68 : x
  2. Step 2: Convert to fraction form
    99,119.22/136,739.85 = 58,834.68/x
  3. Step 3: Cross multiply
    99,119.22x = 136,739.85 × 58,834.68
  4. Step 4: Simplify right side
    99,119.22x = 8,045,045,318.00
  5. Step 5: Solve for x
    x = 8,045,045,318.00/99,119.22
  6. Step 6: Final answer
    x = 81,165.34

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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.