Home / 52,771.12-72,824.28-28,897.96

Finding the Fourth Proportional to 52,771.12, 72,824.28 and 28,897.96

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Solution

The fourth proportional to 52,771.12, 72,824.28 and 28,897.96 is: 39,879.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,771.12 : 72,824.28 = 28,897.96 : x
  2. Step 2: Convert to fraction form
    52,771.12/72,824.28 = 28,897.96/x
  3. Step 3: Cross multiply
    52,771.12x = 72,824.28 × 28,897.96
  4. Step 4: Simplify right side
    52,771.12x = 2,104,473,130.47
  5. Step 5: Solve for x
    x = 2,104,473,130.47/52,771.12
  6. Step 6: Final answer
    x = 39,879.26

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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.