Home / 67,328.52-92,912.58-39,036.84

Finding the Fourth Proportional to 67,328.52, 92,912.58 and 39,036.84

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Solution

The fourth proportional to 67,328.52, 92,912.58 and 39,036.84 is: 53,870.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,328.52 : 92,912.58 = 39,036.84 : x
  2. Step 2: Convert to fraction form
    67,328.52/92,912.58 = 39,036.84/x
  3. Step 3: Cross multiply
    67,328.52x = 92,912.58 × 39,036.84
  4. Step 4: Simplify right side
    67,328.52x = 3,627,013,519.45
  5. Step 5: Solve for x
    x = 3,627,013,519.45/67,328.52
  6. Step 6: Final answer
    x = 53,870.39

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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.