Home / 49,675.40-74,426.70-40,862.60

Finding the Fourth Proportional to 49,675.40, 74,426.70 and 40,862.60

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Solution

The fourth proportional to 49,675.40, 74,426.70 and 40,862.60 is: 61,222.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,675.40 : 74,426.70 = 40,862.60 : x
  2. Step 2: Convert to fraction form
    49,675.40/74,426.70 = 40,862.60/x
  3. Step 3: Cross multiply
    49,675.40x = 74,426.70 × 40,862.60
  4. Step 4: Simplify right side
    49,675.40x = 3,041,268,471.42
  5. Step 5: Solve for x
    x = 3,041,268,471.42/49,675.40
  6. Step 6: Final answer
    x = 61,222.83

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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.