Home / 120,904.48-166,834.94-69,909.50

Finding the Fourth Proportional to 120,904.48, 166,834.94 and 69,909.50

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Solution

The fourth proportional to 120,904.48, 166,834.94 and 69,909.50 is: 96,467.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,904.48 : 166,834.94 = 69,909.50 : x
  2. Step 2: Convert to fraction form
    120,904.48/166,834.94 = 69,909.50/x
  3. Step 3: Cross multiply
    120,904.48x = 166,834.94 × 69,909.50
  4. Step 4: Simplify right side
    120,904.48x = 11,663,346,760.26
  5. Step 5: Solve for x
    x = 11,663,346,760.26/120,904.48
  6. Step 6: Final answer
    x = 96,467.45

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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.