Home / 90,001.45-135,026.73-39,391.27

Finding the Fourth Proportional to 90,001.45, 135,026.73 and 39,391.27

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Solution

The fourth proportional to 90,001.45, 135,026.73 and 39,391.27 is: 59,097.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,001.45 : 135,026.73 = 39,391.27 : x
  2. Step 2: Convert to fraction form
    90,001.45/135,026.73 = 39,391.27/x
  3. Step 3: Cross multiply
    90,001.45x = 135,026.73 × 39,391.27
  4. Step 4: Simplify right side
    90,001.45x = 5,318,874,378.65
  5. Step 5: Solve for x
    x = 5,318,874,378.65/90,001.45
  6. Step 6: Final answer
    x = 59,097.65

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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.