Home / 105,671.11-158,527.43-39,111.81

Finding the Fourth Proportional to 105,671.11, 158,527.43 and 39,111.81

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Solution

The fourth proportional to 105,671.11, 158,527.43 and 39,111.81 is: 58,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,671.11 : 158,527.43 = 39,111.81 : x
  2. Step 2: Convert to fraction form
    105,671.11/158,527.43 = 39,111.81/x
  3. Step 3: Cross multiply
    105,671.11x = 158,527.43 × 39,111.81
  4. Step 4: Simplify right side
    105,671.11x = 6,200,294,721.95
  5. Step 5: Solve for x
    x = 6,200,294,721.95/105,671.11
  6. Step 6: Final answer
    x = 58,675.40

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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.