Home / 90,463.50-124,839.72-52,730.46

Finding the Fourth Proportional to 90,463.50, 124,839.72 and 52,730.46

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Solution

The fourth proportional to 90,463.50, 124,839.72 and 52,730.46 is: 72,768.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,463.50 : 124,839.72 = 52,730.46 : x
  2. Step 2: Convert to fraction form
    90,463.50/124,839.72 = 52,730.46/x
  3. Step 3: Cross multiply
    90,463.50x = 124,839.72 × 52,730.46
  4. Step 4: Simplify right side
    90,463.50x = 6,582,855,861.87
  5. Step 5: Solve for x
    x = 6,582,855,861.87/90,463.50
  6. Step 6: Final answer
    x = 72,768.09

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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.