Home / 91,823.27-137,734.68-51,824.12

Finding the Fourth Proportional to 91,823.27, 137,734.68 and 51,824.12

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Solution

The fourth proportional to 91,823.27, 137,734.68 and 51,824.12 is: 77,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,823.27 : 137,734.68 = 51,824.12 : x
  2. Step 2: Convert to fraction form
    91,823.27/137,734.68 = 51,824.12/x
  3. Step 3: Cross multiply
    91,823.27x = 137,734.68 × 51,824.12
  4. Step 4: Simplify right side
    91,823.27x = 7,137,977,895.81
  5. Step 5: Solve for x
    x = 7,137,977,895.81/91,823.27
  6. Step 6: Final answer
    x = 77,736.05

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1.5x scale

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.