Home / 95,338.42-142,578.02-72,855.70

Finding the Fourth Proportional to 95,338.42, 142,578.02 and 72,855.70

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Solution

The fourth proportional to 95,338.42, 142,578.02 and 72,855.70 is: 108,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,338.42 : 142,578.02 = 72,855.70 : x
  2. Step 2: Convert to fraction form
    95,338.42/142,578.02 = 72,855.70/x
  3. Step 3: Cross multiply
    95,338.42x = 142,578.02 × 72,855.70
  4. Step 4: Simplify right side
    95,338.42x = 10,387,621,451.71
  5. Step 5: Solve for x
    x = 10,387,621,451.71/95,338.42
  6. Step 6: Final answer
    x = 108,955.25

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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.