Home / 75,370.28-113,055.30-28,623.08

Finding the Fourth Proportional to 75,370.28, 113,055.30 and 28,623.08

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Solution

The fourth proportional to 75,370.28, 113,055.30 and 28,623.08 is: 42,934.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,370.28 : 113,055.30 = 28,623.08 : x
  2. Step 2: Convert to fraction form
    75,370.28/113,055.30 = 28,623.08/x
  3. Step 3: Cross multiply
    75,370.28x = 113,055.30 × 28,623.08
  4. Step 4: Simplify right side
    75,370.28x = 3,235,990,896.32
  5. Step 5: Solve for x
    x = 3,235,990,896.32/75,370.28
  6. Step 6: Final answer
    x = 42,934.57

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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.