Home / 52,090.08-78,117.20-17,021.04

Finding the Fourth Proportional to 52,090.08, 78,117.20 and 17,021.04

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Solution

The fourth proportional to 52,090.08, 78,117.20 and 17,021.04 is: 25,525.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,090.08 : 78,117.20 = 17,021.04 : x
  2. Step 2: Convert to fraction form
    52,090.08/78,117.20 = 17,021.04/x
  3. Step 3: Cross multiply
    52,090.08x = 78,117.20 × 17,021.04
  4. Step 4: Simplify right side
    52,090.08x = 1,329,635,985.89
  5. Step 5: Solve for x
    x = 1,329,635,985.89/52,090.08
  6. Step 6: Final answer
    x = 25,525.70

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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.