Home / 79,715.69-110,015.43-59,537.55

Finding the Fourth Proportional to 79,715.69, 110,015.43 and 59,537.55

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Solution

The fourth proportional to 79,715.69, 110,015.43 and 59,537.55 is: 82,167.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,715.69 : 110,015.43 = 59,537.55 : x
  2. Step 2: Convert to fraction form
    79,715.69/110,015.43 = 59,537.55/x
  3. Step 3: Cross multiply
    79,715.69x = 110,015.43 × 59,537.55
  4. Step 4: Simplify right side
    79,715.69x = 6,550,049,069.75
  5. Step 5: Solve for x
    x = 6,550,049,069.75/79,715.69
  6. Step 6: Final answer
    x = 82,167.62

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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.