Home / 90,527.04-135,788.49-53,323.11

Finding the Fourth Proportional to 90,527.04, 135,788.49 and 53,323.11

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Solution

The fourth proportional to 90,527.04, 135,788.49 and 53,323.11 is: 79,983.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,527.04 : 135,788.49 = 53,323.11 : x
  2. Step 2: Convert to fraction form
    90,527.04/135,788.49 = 53,323.11/x
  3. Step 3: Cross multiply
    90,527.04x = 135,788.49 × 53,323.11
  4. Step 4: Simplify right side
    90,527.04x = 7,240,664,589.00
  5. Step 5: Solve for x
    x = 7,240,664,589.00/90,527.04
  6. Step 6: Final answer
    x = 79,983.45

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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.