Home / 74,533.26-102,855.30-40,541.76

Finding the Fourth Proportional to 74,533.26, 102,855.30 and 40,541.76

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Solution

The fourth proportional to 74,533.26, 102,855.30 and 40,541.76 is: 55,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,533.26 : 102,855.30 = 40,541.76 : x
  2. Step 2: Convert to fraction form
    74,533.26/102,855.30 = 40,541.76/x
  3. Step 3: Cross multiply
    74,533.26x = 102,855.30 × 40,541.76
  4. Step 4: Simplify right side
    74,533.26x = 4,169,934,887.33
  5. Step 5: Solve for x
    x = 4,169,934,887.33/74,533.26
  6. Step 6: Final answer
    x = 55,947.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.