Home / 87,848.55-121,231.04-47,562.32

Finding the Fourth Proportional to 87,848.55, 121,231.04 and 47,562.32

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Solution

The fourth proportional to 87,848.55, 121,231.04 and 47,562.32 is: 65,636.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,848.55 : 121,231.04 = 47,562.32 : x
  2. Step 2: Convert to fraction form
    87,848.55/121,231.04 = 47,562.32/x
  3. Step 3: Cross multiply
    87,848.55x = 121,231.04 × 47,562.32
  4. Step 4: Simplify right side
    87,848.55x = 5,766,029,518.41
  5. Step 5: Solve for x
    x = 5,766,029,518.41/87,848.55
  6. Step 6: Final answer
    x = 65,636.02

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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.