Home / 90,036.33-135,030.74-26,839.41

Finding the Fourth Proportional to 90,036.33, 135,030.74 and 26,839.41

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Solution

The fourth proportional to 90,036.33, 135,030.74 and 26,839.41 is: 40,252.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,036.33 : 135,030.74 = 26,839.41 : x
  2. Step 2: Convert to fraction form
    90,036.33/135,030.74 = 26,839.41/x
  3. Step 3: Cross multiply
    90,036.33x = 135,030.74 × 26,839.41
  4. Step 4: Simplify right side
    90,036.33x = 3,624,145,259.27
  5. Step 5: Solve for x
    x = 3,624,145,259.27/90,036.33
  6. Step 6: Final answer
    x = 40,252.03

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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.