Home / 52,462.08-72,389.20-31,240.80

Finding the Fourth Proportional to 52,462.08, 72,389.20 and 31,240.80

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Solution

The fourth proportional to 52,462.08, 72,389.20 and 31,240.80 is: 43,107.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,462.08 : 72,389.20 = 31,240.80 : x
  2. Step 2: Convert to fraction form
    52,462.08/72,389.20 = 31,240.80/x
  3. Step 3: Cross multiply
    52,462.08x = 72,389.20 × 31,240.80
  4. Step 4: Simplify right side
    52,462.08x = 2,261,496,519.36
  5. Step 5: Solve for x
    x = 2,261,496,519.36/52,462.08
  6. Step 6: Final answer
    x = 43,107.26

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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.