Home / 52,678.10-72,695.79-28,804.97

Finding the Fourth Proportional to 52,678.10, 72,695.79 and 28,804.97

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Solution

The fourth proportional to 52,678.10, 72,695.79 and 28,804.97 is: 39,750.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,678.10 : 72,695.79 = 28,804.97 : x
  2. Step 2: Convert to fraction form
    52,678.10/72,695.79 = 28,804.97/x
  3. Step 3: Cross multiply
    52,678.10x = 72,695.79 × 28,804.97
  4. Step 4: Simplify right side
    52,678.10x = 2,093,999,686.60
  5. Step 5: Solve for x
    x = 2,093,999,686.60/52,678.10
  6. Step 6: Final answer
    x = 39,750.86

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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.