Home / 52,267.49-72,129.75-28,394.54

Finding the Fourth Proportional to 52,267.49, 72,129.75 and 28,394.54

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Solution

The fourth proportional to 52,267.49, 72,129.75 and 28,394.54 is: 39,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,267.49 : 72,129.75 = 28,394.54 : x
  2. Step 2: Convert to fraction form
    52,267.49/72,129.75 = 28,394.54/x
  3. Step 3: Cross multiply
    52,267.49x = 72,129.75 × 28,394.54
  4. Step 4: Simplify right side
    52,267.49x = 2,048,091,071.57
  5. Step 5: Solve for x
    x = 2,048,091,071.57/52,267.49
  6. Step 6: Final answer
    x = 39,184.80

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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.