Home / 75,131.74-103,555.83-59,975.83

Finding the Fourth Proportional to 75,131.74, 103,555.83 and 59,975.83

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Solution

The fourth proportional to 75,131.74, 103,555.83 and 59,975.83 is: 82,666.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,131.74 : 103,555.83 = 59,975.83 : x
  2. Step 2: Convert to fraction form
    75,131.74/103,555.83 = 59,975.83/x
  3. Step 3: Cross multiply
    75,131.74x = 103,555.83 × 59,975.83
  4. Step 4: Simplify right side
    75,131.74x = 6,210,846,855.59
  5. Step 5: Solve for x
    x = 6,210,846,855.59/75,131.74
  6. Step 6: Final answer
    x = 82,666.09

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1.5x scale

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.