Home / 52,536.36-72,500-28,663.04

Finding the Fourth Proportional to 52,536.36, 72,500 and 28,663.04

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Solution

The fourth proportional to 52,536.36, 72,500 and 28,663.04 is: 39,554.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,536.36 : 72,500 = 28,663.04 : x
  2. Step 2: Convert to fraction form
    52,536.36/72,500 = 28,663.04/x
  3. Step 3: Cross multiply
    52,536.36x = 72,500 × 28,663.04
  4. Step 4: Simplify right side
    52,536.36x = 2,078,070,400
  5. Step 5: Solve for x
    x = 2,078,070,400/52,536.36
  6. Step 6: Final answer
    x = 39,554.90

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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.