Home / 58,703.12-88,013.64-18,708.69

Finding the Fourth Proportional to 58,703.12, 88,013.64 and 18,708.69

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Solution

The fourth proportional to 58,703.12, 88,013.64 and 18,708.69 is: 28,049.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,703.12 : 88,013.64 = 18,708.69 : x
  2. Step 2: Convert to fraction form
    58,703.12/88,013.64 = 18,708.69/x
  3. Step 3: Cross multiply
    58,703.12x = 88,013.64 × 18,708.69
  4. Step 4: Simplify right side
    58,703.12x = 1,646,619,906.53
  5. Step 5: Solve for x
    x = 1,646,619,906.53/58,703.12
  6. Step 6: Final answer
    x = 28,049.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.