Home / 79,304.14-109,429.62-45,314.83

Finding the Fourth Proportional to 79,304.14, 109,429.62 and 45,314.83

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Solution

The fourth proportional to 79,304.14, 109,429.62 and 45,314.83 is: 62,528.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,304.14 : 109,429.62 = 45,314.83 : x
  2. Step 2: Convert to fraction form
    79,304.14/109,429.62 = 45,314.83/x
  3. Step 3: Cross multiply
    79,304.14x = 109,429.62 × 45,314.83
  4. Step 4: Simplify right side
    79,304.14x = 4,958,784,360.92
  5. Step 5: Solve for x
    x = 4,958,784,360.92/79,304.14
  6. Step 6: Final answer
    x = 62,528.70

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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.