Home / 52,848.42-72,930.82-28,975.26

Finding the Fourth Proportional to 52,848.42, 72,930.82 and 28,975.26

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Solution

The fourth proportional to 52,848.42, 72,930.82 and 28,975.26 is: 39,985.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,848.42 : 72,930.82 = 28,975.26 : x
  2. Step 2: Convert to fraction form
    52,848.42/72,930.82 = 28,975.26/x
  3. Step 3: Cross multiply
    52,848.42x = 72,930.82 × 28,975.26
  4. Step 4: Simplify right side
    52,848.42x = 2,113,189,471.51
  5. Step 5: Solve for x
    x = 2,113,189,471.51/52,848.42
  6. Step 6: Final answer
    x = 39,985.86

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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.