Home / 75,176.69-103,507.13-63,823.73

Finding the Fourth Proportional to 75,176.69, 103,507.13 and 63,823.73

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Solution

The fourth proportional to 75,176.69, 103,507.13 and 63,823.73 is: 87,875.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,176.69 : 103,507.13 = 63,823.73 : x
  2. Step 2: Convert to fraction form
    75,176.69/103,507.13 = 63,823.73/x
  3. Step 3: Cross multiply
    75,176.69x = 103,507.13 × 63,823.73
  4. Step 4: Simplify right side
    75,176.69x = 6,606,210,760.22
  5. Step 5: Solve for x
    x = 6,606,210,760.22/75,176.69
  6. Step 6: Final answer
    x = 87,875.79

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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.