Home / 53,045.76-79,565.04-38,281.44

Finding the Fourth Proportional to 53,045.76, 79,565.04 and 38,281.44

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Solution

The fourth proportional to 53,045.76, 79,565.04 and 38,281.44 is: 57,419.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,045.76 : 79,565.04 = 38,281.44 : x
  2. Step 2: Convert to fraction form
    53,045.76/79,565.04 = 38,281.44/x
  3. Step 3: Cross multiply
    53,045.76x = 79,565.04 × 38,281.44
  4. Step 4: Simplify right side
    53,045.76x = 3,045,864,304.86
  5. Step 5: Solve for x
    x = 3,045,864,304.86/53,045.76
  6. Step 6: Final answer
    x = 57,419.56

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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.