Home / 45,818.20-68,727.30-35,437.40

Finding the Fourth Proportional to 45,818.20, 68,727.30 and 35,437.40

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Solution

The fourth proportional to 45,818.20, 68,727.30 and 35,437.40 is: 53,156.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,818.20 : 68,727.30 = 35,437.40 : x
  2. Step 2: Convert to fraction form
    45,818.20/68,727.30 = 35,437.40/x
  3. Step 3: Cross multiply
    45,818.20x = 68,727.30 × 35,437.40
  4. Step 4: Simplify right side
    45,818.20x = 2,435,516,821.02
  5. Step 5: Solve for x
    x = 2,435,516,821.02/45,818.20
  6. Step 6: Final answer
    x = 53,156.10

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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.