Home / 52,467.89-78,712.77-17,405.02

Finding the Fourth Proportional to 52,467.89, 78,712.77 and 17,405.02

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Solution

The fourth proportional to 52,467.89, 78,712.77 and 17,405.02 is: 26,111.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,467.89 : 78,712.77 = 17,405.02 : x
  2. Step 2: Convert to fraction form
    52,467.89/78,712.77 = 17,405.02/x
  3. Step 3: Cross multiply
    52,467.89x = 78,712.77 × 17,405.02
  4. Step 4: Simplify right side
    52,467.89x = 1,369,997,336.11
  5. Step 5: Solve for x
    x = 1,369,997,336.11/52,467.89
  6. Step 6: Final answer
    x = 26,111.16

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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.