Home / 95,988.42-143,870.51-72,219.60

Finding the Fourth Proportional to 95,988.42, 143,870.51 and 72,219.60

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Solution

The fourth proportional to 95,988.42, 143,870.51 and 72,219.60 is: 108,245.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,988.42 : 143,870.51 = 72,219.60 : x
  2. Step 2: Convert to fraction form
    95,988.42/143,870.51 = 72,219.60/x
  3. Step 3: Cross multiply
    95,988.42x = 143,870.51 × 72,219.60
  4. Step 4: Simplify right side
    95,988.42x = 10,390,270,504.87
  5. Step 5: Solve for x
    x = 10,390,270,504.87/95,988.42
  6. Step 6: Final answer
    x = 108,245.05

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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.