Home / 52,157.10-71,976.17-28,283.48

Finding the Fourth Proportional to 52,157.10, 71,976.17 and 28,283.48

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Solution

The fourth proportional to 52,157.10, 71,976.17 and 28,283.48 is: 39,030.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,157.10 : 71,976.17 = 28,283.48 : x
  2. Step 2: Convert to fraction form
    52,157.10/71,976.17 = 28,283.48/x
  3. Step 3: Cross multiply
    52,157.10x = 71,976.17 × 28,283.48
  4. Step 4: Simplify right side
    52,157.10x = 2,035,736,603.19
  5. Step 5: Solve for x
    x = 2,035,736,603.19/52,157.10
  6. Step 6: Final answer
    x = 39,030.86

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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.