Home / 53,210.88-73,296-40,613.76

Finding the Fourth Proportional to 53,210.88, 73,296 and 40,613.76

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Solution

The fourth proportional to 53,210.88, 73,296 and 40,613.76 is: 55,943.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,210.88 : 73,296 = 40,613.76 : x
  2. Step 2: Convert to fraction form
    53,210.88/73,296 = 40,613.76/x
  3. Step 3: Cross multiply
    53,210.88x = 73,296 × 40,613.76
  4. Step 4: Simplify right side
    53,210.88x = 2,976,826,152.96
  5. Step 5: Solve for x
    x = 2,976,826,152.96/53,210.88
  6. Step 6: Final answer
    x = 55,943.94

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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.