Home / 61,421.85-84,808.34-60,440.96

Finding the Fourth Proportional to 61,421.85, 84,808.34 and 60,440.96

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Solution

The fourth proportional to 61,421.85, 84,808.34 and 60,440.96 is: 83,453.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,421.85 : 84,808.34 = 60,440.96 : x
  2. Step 2: Convert to fraction form
    61,421.85/84,808.34 = 60,440.96/x
  3. Step 3: Cross multiply
    61,421.85x = 84,808.34 × 60,440.96
  4. Step 4: Simplify right side
    61,421.85x = 5,125,897,485.61
  5. Step 5: Solve for x
    x = 5,125,897,485.61/61,421.85
  6. Step 6: Final answer
    x = 83,453.97

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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.