Home / 89,791.50-134,687.93-39,858.18

Finding the Fourth Proportional to 89,791.50, 134,687.93 and 39,858.18

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Solution

The fourth proportional to 89,791.50, 134,687.93 and 39,858.18 is: 59,787.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,791.50 : 134,687.93 = 39,858.18 : x
  2. Step 2: Convert to fraction form
    89,791.50/134,687.93 = 39,858.18/x
  3. Step 3: Cross multiply
    89,791.50x = 134,687.93 × 39,858.18
  4. Step 4: Simplify right side
    89,791.50x = 5,368,415,558.48
  5. Step 5: Solve for x
    x = 5,368,415,558.48/89,791.50
  6. Step 6: Final answer
    x = 59,787.57

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1.5x scale

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.