Home / 121,830.72-182,763.26-37,597.74

Finding the Fourth Proportional to 121,830.72, 182,763.26 and 37,597.74

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Solution

The fourth proportional to 121,830.72, 182,763.26 and 37,597.74 is: 56,401.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,830.72 : 182,763.26 = 37,597.74 : x
  2. Step 2: Convert to fraction form
    121,830.72/182,763.26 = 37,597.74/x
  3. Step 3: Cross multiply
    121,830.72x = 182,763.26 × 37,597.74
  4. Step 4: Simplify right side
    121,830.72x = 6,871,485,531.03
  5. Step 5: Solve for x
    x = 6,871,485,531.03/121,830.72
  6. Step 6: Final answer
    x = 56,401.91

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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.