Home / 56,753.16-78,319.36-32,893.67

Finding the Fourth Proportional to 56,753.16, 78,319.36 and 32,893.67

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Solution

The fourth proportional to 56,753.16, 78,319.36 and 32,893.67 is: 45,393.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,753.16 : 78,319.36 = 32,893.67 : x
  2. Step 2: Convert to fraction form
    56,753.16/78,319.36 = 32,893.67/x
  3. Step 3: Cross multiply
    56,753.16x = 78,319.36 × 32,893.67
  4. Step 4: Simplify right side
    56,753.16x = 2,576,211,014.07
  5. Step 5: Solve for x
    x = 2,576,211,014.07/56,753.16
  6. Step 6: Final answer
    x = 45,393.26

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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.