Home / 57,708.33-79,459.86-49,191.35

Finding the Fourth Proportional to 57,708.33, 79,459.86 and 49,191.35

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Solution

The fourth proportional to 57,708.33, 79,459.86 and 49,191.35 is: 67,732.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,708.33 : 79,459.86 = 49,191.35 : x
  2. Step 2: Convert to fraction form
    57,708.33/79,459.86 = 49,191.35/x
  3. Step 3: Cross multiply
    57,708.33x = 79,459.86 × 49,191.35
  4. Step 4: Simplify right side
    57,708.33x = 3,908,737,386.91
  5. Step 5: Solve for x
    x = 3,908,737,386.91/57,708.33
  6. Step 6: Final answer
    x = 67,732.64

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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.