Home / 42,660.56-63,991.07-11,068.44

Finding the Fourth Proportional to 42,660.56, 63,991.07 and 11,068.44

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Solution

The fourth proportional to 42,660.56, 63,991.07 and 11,068.44 is: 16,602.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,660.56 : 63,991.07 = 11,068.44 : x
  2. Step 2: Convert to fraction form
    42,660.56/63,991.07 = 11,068.44/x
  3. Step 3: Cross multiply
    42,660.56x = 63,991.07 × 11,068.44
  4. Step 4: Simplify right side
    42,660.56x = 708,281,318.83
  5. Step 5: Solve for x
    x = 708,281,318.83/42,660.56
  6. Step 6: Final answer
    x = 16,602.72

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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.