Home / 79,662.08-119,477.76-64,169.60

Finding the Fourth Proportional to 79,662.08, 119,477.76 and 64,169.60

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Solution

The fourth proportional to 79,662.08, 119,477.76 and 64,169.60 is: 96,242.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,662.08 : 119,477.76 = 64,169.60 : x
  2. Step 2: Convert to fraction form
    79,662.08/119,477.76 = 64,169.60/x
  3. Step 3: Cross multiply
    79,662.08x = 119,477.76 × 64,169.60
  4. Step 4: Simplify right side
    79,662.08x = 7,666,840,068.10
  5. Step 5: Solve for x
    x = 7,666,840,068.10/79,662.08
  6. Step 6: Final answer
    x = 96,242.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.