Home / 61,538.72-92,277.32-28,230.38

Finding the Fourth Proportional to 61,538.72, 92,277.32 and 28,230.38

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Solution

The fourth proportional to 61,538.72, 92,277.32 and 28,230.38 is: 42,331.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,538.72 : 92,277.32 = 28,230.38 : x
  2. Step 2: Convert to fraction form
    61,538.72/92,277.32 = 28,230.38/x
  3. Step 3: Cross multiply
    61,538.72x = 92,277.32 × 28,230.38
  4. Step 4: Simplify right side
    61,538.72x = 2,605,023,206.44
  5. Step 5: Solve for x
    x = 2,605,023,206.44/61,538.72
  6. Step 6: Final answer
    x = 42,331.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.