Home / 89,537.60-123,520.55-53,665.34

Finding the Fourth Proportional to 89,537.60, 123,520.55 and 53,665.34

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Solution

The fourth proportional to 89,537.60, 123,520.55 and 53,665.34 is: 74,033.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,537.60 : 123,520.55 = 53,665.34 : x
  2. Step 2: Convert to fraction form
    89,537.60/123,520.55 = 53,665.34/x
  3. Step 3: Cross multiply
    89,537.60x = 123,520.55 × 53,665.34
  4. Step 4: Simplify right side
    89,537.60x = 6,628,771,426.81
  5. Step 5: Solve for x
    x = 6,628,771,426.81/89,537.60
  6. Step 6: Final answer
    x = 74,033.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.