Home / 62,611.20-86,403.69-33,930.90

Finding the Fourth Proportional to 62,611.20, 86,403.69 and 33,930.90

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Solution

The fourth proportional to 62,611.20, 86,403.69 and 33,930.90 is: 46,824.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,611.20 : 86,403.69 = 33,930.90 : x
  2. Step 2: Convert to fraction form
    62,611.20/86,403.69 = 33,930.90/x
  3. Step 3: Cross multiply
    62,611.20x = 86,403.69 × 33,930.90
  4. Step 4: Simplify right side
    62,611.20x = 2,931,754,965.02
  5. Step 5: Solve for x
    x = 2,931,754,965.02/62,611.20
  6. Step 6: Final answer
    x = 46,824.77

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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.