Home / 48,272.40-72,322.20-29,782.80

Finding the Fourth Proportional to 48,272.40, 72,322.20 and 29,782.80

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Solution

The fourth proportional to 48,272.40, 72,322.20 and 29,782.80 is: 44,620.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,272.40 : 72,322.20 = 29,782.80 : x
  2. Step 2: Convert to fraction form
    48,272.40/72,322.20 = 29,782.80/x
  3. Step 3: Cross multiply
    48,272.40x = 72,322.20 × 29,782.80
  4. Step 4: Simplify right side
    48,272.40x = 2,153,957,618.16
  5. Step 5: Solve for x
    x = 2,153,957,618.16/48,272.40
  6. Step 6: Final answer
    x = 44,620.89

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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.