Home / 90,423.76-135,607.93-62,523.11

Finding the Fourth Proportional to 90,423.76, 135,607.93 and 62,523.11

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Solution

The fourth proportional to 90,423.76, 135,607.93 and 62,523.11 is: 93,765.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,423.76 : 135,607.93 = 62,523.11 : x
  2. Step 2: Convert to fraction form
    90,423.76/135,607.93 = 62,523.11/x
  3. Step 3: Cross multiply
    90,423.76x = 135,607.93 × 62,523.11
  4. Step 4: Simplify right side
    90,423.76x = 8,478,629,383.80
  5. Step 5: Solve for x
    x = 8,478,629,383.80/90,423.76
  6. Step 6: Final answer
    x = 93,765.50

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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.