Home / 86,605.64-119,449.59-59,793.02

Finding the Fourth Proportional to 86,605.64, 119,449.59 and 59,793.02

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Solution

The fourth proportional to 86,605.64, 119,449.59 and 59,793.02 is: 82,468.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,605.64 : 119,449.59 = 59,793.02 : x
  2. Step 2: Convert to fraction form
    86,605.64/119,449.59 = 59,793.02/x
  3. Step 3: Cross multiply
    86,605.64x = 119,449.59 × 59,793.02
  4. Step 4: Simplify right side
    86,605.64x = 7,142,251,723.86
  5. Step 5: Solve for x
    x = 7,142,251,723.86/86,605.64
  6. Step 6: Final answer
    x = 82,468.67

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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.