Home / 63,421.68-87,521.04-34,740.96

Finding the Fourth Proportional to 63,421.68, 87,521.04 and 34,740.96

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Solution

The fourth proportional to 63,421.68, 87,521.04 and 34,740.96 is: 47,942.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,421.68 : 87,521.04 = 34,740.96 : x
  2. Step 2: Convert to fraction form
    63,421.68/87,521.04 = 34,740.96/x
  3. Step 3: Cross multiply
    63,421.68x = 87,521.04 × 34,740.96
  4. Step 4: Simplify right side
    63,421.68x = 3,040,564,949.80
  5. Step 5: Solve for x
    x = 3,040,564,949.80/63,421.68
  6. Step 6: Final answer
    x = 47,942.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.