Home / 52,735.02-79,102.32-21,159.19

Finding the Fourth Proportional to 52,735.02, 79,102.32 and 21,159.19

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Solution

The fourth proportional to 52,735.02, 79,102.32 and 21,159.19 is: 31,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,735.02 : 79,102.32 = 21,159.19 : x
  2. Step 2: Convert to fraction form
    52,735.02/79,102.32 = 21,159.19/x
  3. Step 3: Cross multiply
    52,735.02x = 79,102.32 × 21,159.19
  4. Step 4: Simplify right side
    52,735.02x = 1,673,741,018.32
  5. Step 5: Solve for x
    x = 1,673,741,018.32/52,735.02
  6. Step 6: Final answer
    x = 31,738.70

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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.