Home / 70,051.11-96,670.85-38,220.68

Finding the Fourth Proportional to 70,051.11, 96,670.85 and 38,220.68

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Solution

The fourth proportional to 70,051.11, 96,670.85 and 38,220.68 is: 52,744.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,051.11 : 96,670.85 = 38,220.68 : x
  2. Step 2: Convert to fraction form
    70,051.11/96,670.85 = 38,220.68/x
  3. Step 3: Cross multiply
    70,051.11x = 96,670.85 × 38,220.68
  4. Step 4: Simplify right side
    70,051.11x = 3,694,824,948.72
  5. Step 5: Solve for x
    x = 3,694,824,948.72/70,051.11
  6. Step 6: Final answer
    x = 52,744.70

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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.