Home / 89,621.73-134,433-36,314.73

Finding the Fourth Proportional to 89,621.73, 134,433 and 36,314.73

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Solution

The fourth proportional to 89,621.73, 134,433 and 36,314.73 is: 54,472.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,621.73 : 134,433 = 36,314.73 : x
  2. Step 2: Convert to fraction form
    89,621.73/134,433 = 36,314.73/x
  3. Step 3: Cross multiply
    89,621.73x = 134,433 × 36,314.73
  4. Step 4: Simplify right side
    89,621.73x = 4,881,898,098.09
  5. Step 5: Solve for x
    x = 4,881,898,098.09/89,621.73
  6. Step 6: Final answer
    x = 54,472.26

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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.