Home / 74,516.80-111,710.40-44,903.20

Finding the Fourth Proportional to 74,516.80, 111,710.40 and 44,903.20

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Solution

The fourth proportional to 74,516.80, 111,710.40 and 44,903.20 is: 67,315.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,516.80 : 111,710.40 = 44,903.20 : x
  2. Step 2: Convert to fraction form
    74,516.80/111,710.40 = 44,903.20/x
  3. Step 3: Cross multiply
    74,516.80x = 111,710.40 × 44,903.20
  4. Step 4: Simplify right side
    74,516.80x = 5,016,154,433.28
  5. Step 5: Solve for x
    x = 5,016,154,433.28/74,516.80
  6. Step 6: Final answer
    x = 67,315.75

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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.