Home / 49,990.92-75,000.42-14,931.96

Finding the Fourth Proportional to 49,990.92, 75,000.42 and 14,931.96

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Solution

The fourth proportional to 49,990.92, 75,000.42 and 14,931.96 is: 22,402.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,990.92 : 75,000.42 = 14,931.96 : x
  2. Step 2: Convert to fraction form
    49,990.92/75,000.42 = 14,931.96/x
  3. Step 3: Cross multiply
    49,990.92x = 75,000.42 × 14,931.96
  4. Step 4: Simplify right side
    49,990.92x = 1,119,903,271.42
  5. Step 5: Solve for x
    x = 1,119,903,271.42/49,990.92
  6. Step 6: Final answer
    x = 22,402.13

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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.