Home / 55,964.30-83,946.45-43,279.70

Finding the Fourth Proportional to 55,964.30, 83,946.45 and 43,279.70

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Solution

The fourth proportional to 55,964.30, 83,946.45 and 43,279.70 is: 64,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,964.30 : 83,946.45 = 43,279.70 : x
  2. Step 2: Convert to fraction form
    55,964.30/83,946.45 = 43,279.70/x
  3. Step 3: Cross multiply
    55,964.30x = 83,946.45 × 43,279.70
  4. Step 4: Simplify right side
    55,964.30x = 3,633,177,172.07
  5. Step 5: Solve for x
    x = 3,633,177,172.07/55,964.30
  6. Step 6: Final answer
    x = 64,919.55

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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.