Home / 73,558.10-110,304.43-20,955.70

Finding the Fourth Proportional to 73,558.10, 110,304.43 and 20,955.70

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Solution

The fourth proportional to 73,558.10, 110,304.43 and 20,955.70 is: 31,424.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,558.10 : 110,304.43 = 20,955.70 : x
  2. Step 2: Convert to fraction form
    73,558.10/110,304.43 = 20,955.70/x
  3. Step 3: Cross multiply
    73,558.10x = 110,304.43 × 20,955.70
  4. Step 4: Simplify right side
    73,558.10x = 2,311,506,543.75
  5. Step 5: Solve for x
    x = 2,311,506,543.75/73,558.10
  6. Step 6: Final answer
    x = 31,424.23

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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.