Home / 105,434.04-158,244.60-49,304.70

Finding the Fourth Proportional to 105,434.04, 158,244.60 and 49,304.70

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Solution

The fourth proportional to 105,434.04, 158,244.60 and 49,304.70 is: 74,000.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,434.04 : 158,244.60 = 49,304.70 : x
  2. Step 2: Convert to fraction form
    105,434.04/158,244.60 = 49,304.70/x
  3. Step 3: Cross multiply
    105,434.04x = 158,244.60 × 49,304.70
  4. Step 4: Simplify right side
    105,434.04x = 7,802,202,529.62
  5. Step 5: Solve for x
    x = 7,802,202,529.62/105,434.04
  6. Step 6: Final answer
    x = 74,000.79

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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.