Home / 85,565.22-118,121.25-56,932.53

Finding the Fourth Proportional to 85,565.22, 118,121.25 and 56,932.53

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Solution

The fourth proportional to 85,565.22, 118,121.25 and 56,932.53 is: 78,594.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,565.22 : 118,121.25 = 56,932.53 : x
  2. Step 2: Convert to fraction form
    85,565.22/118,121.25 = 56,932.53/x
  3. Step 3: Cross multiply
    85,565.22x = 118,121.25 × 56,932.53
  4. Step 4: Simplify right side
    85,565.22x = 6,724,941,609.26
  5. Step 5: Solve for x
    x = 6,724,941,609.26/85,565.22
  6. Step 6: Final answer
    x = 78,594.34

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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.