Home / 72,806.08-109,226.40-37,762.24

Finding the Fourth Proportional to 72,806.08, 109,226.40 and 37,762.24

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Solution

The fourth proportional to 72,806.08, 109,226.40 and 37,762.24 is: 56,652.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,806.08 : 109,226.40 = 37,762.24 : x
  2. Step 2: Convert to fraction form
    72,806.08/109,226.40 = 37,762.24/x
  3. Step 3: Cross multiply
    72,806.08x = 109,226.40 × 37,762.24
  4. Step 4: Simplify right side
    72,806.08x = 4,124,633,531.14
  5. Step 5: Solve for x
    x = 4,124,633,531.14/72,806.08
  6. Step 6: Final answer
    x = 56,652.32

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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.