Home / 121,902.86-182,862.49-47,023.63

Finding the Fourth Proportional to 121,902.86, 182,862.49 and 47,023.63

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Solution

The fourth proportional to 121,902.86, 182,862.49 and 47,023.63 is: 70,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,902.86 : 182,862.49 = 47,023.63 : x
  2. Step 2: Convert to fraction form
    121,902.86/182,862.49 = 47,023.63/x
  3. Step 3: Cross multiply
    121,902.86x = 182,862.49 × 47,023.63
  4. Step 4: Simplify right side
    121,902.86x = 8,598,857,156.33
  5. Step 5: Solve for x
    x = 8,598,857,156.33/121,902.86
  6. Step 6: Final answer
    x = 70,538.60

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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.