Home / 79,530.40-109,754.88-45,544.16

Finding the Fourth Proportional to 79,530.40, 109,754.88 and 45,544.16

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Solution

The fourth proportional to 79,530.40, 109,754.88 and 45,544.16 is: 62,852.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,530.40 : 109,754.88 = 45,544.16 : x
  2. Step 2: Convert to fraction form
    79,530.40/109,754.88 = 45,544.16/x
  3. Step 3: Cross multiply
    79,530.40x = 109,754.88 × 45,544.16
  4. Step 4: Simplify right side
    79,530.40x = 4,998,693,815.50
  5. Step 5: Solve for x
    x = 4,998,693,815.50/79,530.40
  6. Step 6: Final answer
    x = 62,852.62

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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.