Home / 56,743.98-85,191.36-48,477.12

Finding the Fourth Proportional to 56,743.98, 85,191.36 and 48,477.12

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Solution

The fourth proportional to 56,743.98, 85,191.36 and 48,477.12 is: 72,780.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,743.98 : 85,191.36 = 48,477.12 : x
  2. Step 2: Convert to fraction form
    56,743.98/85,191.36 = 48,477.12/x
  3. Step 3: Cross multiply
    56,743.98x = 85,191.36 × 48,477.12
  4. Step 4: Simplify right side
    56,743.98x = 4,129,831,781.68
  5. Step 5: Solve for x
    x = 4,129,831,781.68/56,743.98
  6. Step 6: Final answer
    x = 72,780.09

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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.