Home / 95,043.42-142,506.81-70,144.02

Finding the Fourth Proportional to 95,043.42, 142,506.81 and 70,144.02

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Solution

The fourth proportional to 95,043.42, 142,506.81 and 70,144.02 is: 105,172.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,043.42 : 142,506.81 = 70,144.02 : x
  2. Step 2: Convert to fraction form
    95,043.42/142,506.81 = 70,144.02/x
  3. Step 3: Cross multiply
    95,043.42x = 142,506.81 × 70,144.02
  4. Step 4: Simplify right side
    95,043.42x = 9,996,000,530.78
  5. Step 5: Solve for x
    x = 9,996,000,530.78/95,043.42
  6. Step 6: Final answer
    x = 105,172.99

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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.