Home / 42,755.76-64,094.64-16,480.08

Finding the Fourth Proportional to 42,755.76, 64,094.64 and 16,480.08

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Solution

The fourth proportional to 42,755.76, 64,094.64 and 16,480.08 is: 24,705.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,755.76 : 64,094.64 = 16,480.08 : x
  2. Step 2: Convert to fraction form
    42,755.76/64,094.64 = 16,480.08/x
  3. Step 3: Cross multiply
    42,755.76x = 64,094.64 × 16,480.08
  4. Step 4: Simplify right side
    42,755.76x = 1,056,284,794.77
  5. Step 5: Solve for x
    x = 1,056,284,794.77/42,755.76
  6. Step 6: Final answer
    x = 24,705.09

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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.