Home / 61,438.54-92,157.20-28,149.16

Finding the Fourth Proportional to 61,438.54, 92,157.20 and 28,149.16

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Solution

The fourth proportional to 61,438.54, 92,157.20 and 28,149.16 is: 42,223.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,438.54 : 92,157.20 = 28,149.16 : x
  2. Step 2: Convert to fraction form
    61,438.54/92,157.20 = 28,149.16/x
  3. Step 3: Cross multiply
    61,438.54x = 92,157.20 × 28,149.16
  4. Step 4: Simplify right side
    61,438.54x = 2,594,147,767.95
  5. Step 5: Solve for x
    x = 2,594,147,767.95/61,438.54
  6. Step 6: Final answer
    x = 42,223.46

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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.