Home / 115,030.26-172,465.35-50,953.61

Finding the Fourth Proportional to 115,030.26, 172,465.35 and 50,953.61

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Solution

The fourth proportional to 115,030.26, 172,465.35 and 50,953.61 is: 76,394.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,030.26 : 172,465.35 = 50,953.61 : x
  2. Step 2: Convert to fraction form
    115,030.26/172,465.35 = 50,953.61/x
  3. Step 3: Cross multiply
    115,030.26x = 172,465.35 × 50,953.61
  4. Step 4: Simplify right side
    115,030.26x = 8,787,732,422.50
  5. Step 5: Solve for x
    x = 8,787,732,422.50/115,030.26
  6. Step 6: Final answer
    x = 76,394.96

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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.