Home / 121,712.85-182,548.49-32,945.63

Finding the Fourth Proportional to 121,712.85, 182,548.49 and 32,945.63

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Solution

The fourth proportional to 121,712.85, 182,548.49 and 32,945.63 is: 49,412.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,712.85 : 182,548.49 = 32,945.63 : x
  2. Step 2: Convert to fraction form
    121,712.85/182,548.49 = 32,945.63/x
  3. Step 3: Cross multiply
    121,712.85x = 182,548.49 × 32,945.63
  4. Step 4: Simplify right side
    121,712.85x = 6,014,173,931.13
  5. Step 5: Solve for x
    x = 6,014,173,931.13/121,712.85
  6. Step 6: Final answer
    x = 49,412.81

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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.