Home / 70,091.05-96,721.98-38,253.77

Finding the Fourth Proportional to 70,091.05, 96,721.98 and 38,253.77

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Solution

The fourth proportional to 70,091.05, 96,721.98 and 38,253.77 is: 52,788.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,091.05 : 96,721.98 = 38,253.77 : x
  2. Step 2: Convert to fraction form
    70,091.05/96,721.98 = 38,253.77/x
  3. Step 3: Cross multiply
    70,091.05x = 96,721.98 × 38,253.77
  4. Step 4: Simplify right side
    70,091.05x = 3,699,980,376.86
  5. Step 5: Solve for x
    x = 3,699,980,376.86/70,091.05
  6. Step 6: Final answer
    x = 52,788.20

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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.