Home / 124,885.41-187,278.80-49,991.59

Finding the Fourth Proportional to 124,885.41, 187,278.80 and 49,991.59

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Solution

The fourth proportional to 124,885.41, 187,278.80 and 49,991.59 is: 74,967.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,885.41 : 187,278.80 = 49,991.59 : x
  2. Step 2: Convert to fraction form
    124,885.41/187,278.80 = 49,991.59/x
  3. Step 3: Cross multiply
    124,885.41x = 187,278.80 × 49,991.59
  4. Step 4: Simplify right side
    124,885.41x = 9,362,364,985.29
  5. Step 5: Solve for x
    x = 9,362,364,985.29/124,885.41
  6. Step 6: Final answer
    x = 74,967.64

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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.