Home / 88,245.81-132,369.08-21,685.95

Finding the Fourth Proportional to 88,245.81, 132,369.08 and 21,685.95

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Solution

The fourth proportional to 88,245.81, 132,369.08 and 21,685.95 is: 32,529.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,245.81 : 132,369.08 = 21,685.95 : x
  2. Step 2: Convert to fraction form
    88,245.81/132,369.08 = 21,685.95/x
  3. Step 3: Cross multiply
    88,245.81x = 132,369.08 × 21,685.95
  4. Step 4: Simplify right side
    88,245.81x = 2,870,549,142.00
  5. Step 5: Solve for x
    x = 2,870,549,142.00/88,245.81
  6. Step 6: Final answer
    x = 32,529.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.