Home / 97,105.14-133,928.37-63,564.66

Finding the Fourth Proportional to 97,105.14, 133,928.37 and 63,564.66

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Solution

The fourth proportional to 97,105.14, 133,928.37 and 63,564.66 is: 87,669.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,105.14 : 133,928.37 = 63,564.66 : x
  2. Step 2: Convert to fraction form
    97,105.14/133,928.37 = 63,564.66/x
  3. Step 3: Cross multiply
    97,105.14x = 133,928.37 × 63,564.66
  4. Step 4: Simplify right side
    97,105.14x = 8,513,111,303.40
  5. Step 5: Solve for x
    x = 8,513,111,303.40/97,105.14
  6. Step 6: Final answer
    x = 87,669.01

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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.