Home / 96,661.40-133,089.60-87,804.04

Finding the Fourth Proportional to 96,661.40, 133,089.60 and 87,804.04

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Solution

The fourth proportional to 96,661.40, 133,089.60 and 87,804.04 is: 120,894.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,661.40 : 133,089.60 = 87,804.04 : x
  2. Step 2: Convert to fraction form
    96,661.40/133,089.60 = 87,804.04/x
  3. Step 3: Cross multiply
    96,661.40x = 133,089.60 × 87,804.04
  4. Step 4: Simplify right side
    96,661.40x = 11,685,804,561.98
  5. Step 5: Solve for x
    x = 11,685,804,561.98/96,661.40
  6. Step 6: Final answer
    x = 120,894.22

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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.