Home / 61,539.80-92,115.30-48,320.60

Finding the Fourth Proportional to 61,539.80, 92,115.30 and 48,320.60

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Solution

The fourth proportional to 61,539.80, 92,115.30 and 48,320.60 is: 72,328.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,539.80 : 92,115.30 = 48,320.60 : x
  2. Step 2: Convert to fraction form
    61,539.80/92,115.30 = 48,320.60/x
  3. Step 3: Cross multiply
    61,539.80x = 92,115.30 × 48,320.60
  4. Step 4: Simplify right side
    61,539.80x = 4,451,066,565.18
  5. Step 5: Solve for x
    x = 4,451,066,565.18/61,539.80
  6. Step 6: Final answer
    x = 72,328.26

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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.