Home / 97,086.03-133,909.68-64,804.36

Finding the Fourth Proportional to 97,086.03, 133,909.68 and 64,804.36

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Solution

The fourth proportional to 97,086.03, 133,909.68 and 64,804.36 is: 89,383.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,086.03 : 133,909.68 = 64,804.36 : x
  2. Step 2: Convert to fraction form
    97,086.03/133,909.68 = 64,804.36/x
  3. Step 3: Cross multiply
    97,086.03x = 133,909.68 × 64,804.36
  4. Step 4: Simplify right side
    97,086.03x = 8,677,931,269.53
  5. Step 5: Solve for x
    x = 8,677,931,269.53/97,086.03
  6. Step 6: Final answer
    x = 89,383.94

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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.