Home / 53,305.65-79,528.29-51,367.41

Finding the Fourth Proportional to 53,305.65, 79,528.29 and 51,367.41

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Solution

The fourth proportional to 53,305.65, 79,528.29 and 51,367.41 is: 76,636.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,305.65 : 79,528.29 = 51,367.41 : x
  2. Step 2: Convert to fraction form
    53,305.65/79,528.29 = 51,367.41/x
  3. Step 3: Cross multiply
    53,305.65x = 79,528.29 × 51,367.41
  4. Step 4: Simplify right side
    53,305.65x = 4,085,162,279.03
  5. Step 5: Solve for x
    x = 4,085,162,279.03/53,305.65
  6. Step 6: Final answer
    x = 76,636.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.