Home / 64,869.10-97,376.55-50,143.30

Finding the Fourth Proportional to 64,869.10, 97,376.55 and 50,143.30

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Solution

The fourth proportional to 64,869.10, 97,376.55 and 50,143.30 is: 75,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,869.10 : 97,376.55 = 50,143.30 : x
  2. Step 2: Convert to fraction form
    64,869.10/97,376.55 = 50,143.30/x
  3. Step 3: Cross multiply
    64,869.10x = 97,376.55 × 50,143.30
  4. Step 4: Simplify right side
    64,869.10x = 4,882,781,559.62
  5. Step 5: Solve for x
    x = 4,882,781,559.62/64,869.10
  6. Step 6: Final answer
    x = 75,271.30

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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.