Home / 72,521.40-108,782.10-41,359.80

Finding the Fourth Proportional to 72,521.40, 108,782.10 and 41,359.80

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Solution

The fourth proportional to 72,521.40, 108,782.10 and 41,359.80 is: 62,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,521.40 : 108,782.10 = 41,359.80 : x
  2. Step 2: Convert to fraction form
    72,521.40/108,782.10 = 41,359.80/x
  3. Step 3: Cross multiply
    72,521.40x = 108,782.10 × 41,359.80
  4. Step 4: Simplify right side
    72,521.40x = 4,499,205,899.58
  5. Step 5: Solve for x
    x = 4,499,205,899.58/72,521.40
  6. Step 6: Final answer
    x = 62,039.70

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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.