Home / 113,523.20-170,302.80-38,650.40

Finding the Fourth Proportional to 113,523.20, 170,302.80 and 38,650.40

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Solution

The fourth proportional to 113,523.20, 170,302.80 and 38,650.40 is: 57,981.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,523.20 : 170,302.80 = 38,650.40 : x
  2. Step 2: Convert to fraction form
    113,523.20/170,302.80 = 38,650.40/x
  3. Step 3: Cross multiply
    113,523.20x = 170,302.80 × 38,650.40
  4. Step 4: Simplify right side
    113,523.20x = 6,582,271,341.12
  5. Step 5: Solve for x
    x = 6,582,271,341.12/113,523.20
  6. Step 6: Final answer
    x = 57,981.73

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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.