Home / 98,724.42-136,236.33-56,296.62

Finding the Fourth Proportional to 98,724.42, 136,236.33 and 56,296.62

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Solution

The fourth proportional to 98,724.42, 136,236.33 and 56,296.62 is: 77,687.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,724.42 : 136,236.33 = 56,296.62 : x
  2. Step 2: Convert to fraction form
    98,724.42/136,236.33 = 56,296.62/x
  3. Step 3: Cross multiply
    98,724.42x = 136,236.33 × 56,296.62
  4. Step 4: Simplify right side
    98,724.42x = 7,669,644,900.20
  5. Step 5: Solve for x
    x = 7,669,644,900.20/98,724.42
  6. Step 6: Final answer
    x = 77,687.41

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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.