Home / 121,871.25-182,824.37-37,638.62

Finding the Fourth Proportional to 121,871.25, 182,824.37 and 37,638.62

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Solution

The fourth proportional to 121,871.25, 182,824.37 and 37,638.62 is: 56,463.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,871.25 : 182,824.37 = 37,638.62 : x
  2. Step 2: Convert to fraction form
    121,871.25/182,824.37 = 37,638.62/x
  3. Step 3: Cross multiply
    121,871.25x = 182,824.37 × 37,638.62
  4. Step 4: Simplify right side
    121,871.25x = 6,881,255,886.85
  5. Step 5: Solve for x
    x = 6,881,255,886.85/121,871.25
  6. Step 6: Final answer
    x = 56,463.32

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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.