Home / 58,189.13-80,310.12-34,318.43

Finding the Fourth Proportional to 58,189.13, 80,310.12 and 34,318.43

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Solution

The fourth proportional to 58,189.13, 80,310.12 and 34,318.43 is: 47,364.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,189.13 : 80,310.12 = 34,318.43 : x
  2. Step 2: Convert to fraction form
    58,189.13/80,310.12 = 34,318.43/x
  3. Step 3: Cross multiply
    58,189.13x = 80,310.12 × 34,318.43
  4. Step 4: Simplify right side
    58,189.13x = 2,756,117,231.51
  5. Step 5: Solve for x
    x = 2,756,117,231.51/58,189.13
  6. Step 6: Final answer
    x = 47,364.81

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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.