Home / 103,016.81-154,577.95-49,042.57

Finding the Fourth Proportional to 103,016.81, 154,577.95 and 49,042.57

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Solution

The fourth proportional to 103,016.81, 154,577.95 and 49,042.57 is: 73,588.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,016.81 : 154,577.95 = 49,042.57 : x
  2. Step 2: Convert to fraction form
    103,016.81/154,577.95 = 49,042.57/x
  3. Step 3: Cross multiply
    103,016.81x = 154,577.95 × 49,042.57
  4. Step 4: Simplify right side
    103,016.81x = 7,580,900,187.86
  5. Step 5: Solve for x
    x = 7,580,900,187.86/103,016.81
  6. Step 6: Final answer
    x = 73,588.96

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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.