Home / 49,345.20-74,017.80-34,570.80

Finding the Fourth Proportional to 49,345.20, 74,017.80 and 34,570.80

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Solution

The fourth proportional to 49,345.20, 74,017.80 and 34,570.80 is: 51,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,345.20 : 74,017.80 = 34,570.80 : x
  2. Step 2: Convert to fraction form
    49,345.20/74,017.80 = 34,570.80/x
  3. Step 3: Cross multiply
    49,345.20x = 74,017.80 × 34,570.80
  4. Step 4: Simplify right side
    49,345.20x = 2,558,854,560.24
  5. Step 5: Solve for x
    x = 2,558,854,560.24/49,345.20
  6. Step 6: Final answer
    x = 51,856.20

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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.