Home / 56,704.64-78,212.40-48,148.04

Finding the Fourth Proportional to 56,704.64, 78,212.40 and 48,148.04

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Solution

The fourth proportional to 56,704.64, 78,212.40 and 48,148.04 is: 66,410.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,704.64 : 78,212.40 = 48,148.04 : x
  2. Step 2: Convert to fraction form
    56,704.64/78,212.40 = 48,148.04/x
  3. Step 3: Cross multiply
    56,704.64x = 78,212.40 × 48,148.04
  4. Step 4: Simplify right side
    56,704.64x = 3,765,773,763.70
  5. Step 5: Solve for x
    x = 3,765,773,763.70/56,704.64
  6. Step 6: Final answer
    x = 66,410.33

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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.