Home / 121,985.98-182,988.22-37,754.66

Finding the Fourth Proportional to 121,985.98, 182,988.22 and 37,754.66

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Solution

The fourth proportional to 121,985.98, 182,988.22 and 37,754.66 is: 56,634.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,985.98 : 182,988.22 = 37,754.66 : x
  2. Step 2: Convert to fraction form
    121,985.98/182,988.22 = 37,754.66/x
  3. Step 3: Cross multiply
    121,985.98x = 182,988.22 × 37,754.66
  4. Step 4: Simplify right side
    121,985.98x = 6,908,658,499.73
  5. Step 5: Solve for x
    x = 6,908,658,499.73/121,985.98
  6. Step 6: Final answer
    x = 56,634.86

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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.