Home / 72,918.02-109,130.04-44,855.84

Finding the Fourth Proportional to 72,918.02, 109,130.04 and 44,855.84

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Solution

The fourth proportional to 72,918.02, 109,130.04 and 44,855.84 is: 67,131.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,918.02 : 109,130.04 = 44,855.84 : x
  2. Step 2: Convert to fraction form
    72,918.02/109,130.04 = 44,855.84/x
  3. Step 3: Cross multiply
    72,918.02x = 109,130.04 × 44,855.84
  4. Step 4: Simplify right side
    72,918.02x = 4,895,119,613.43
  5. Step 5: Solve for x
    x = 4,895,119,613.43/72,918.02
  6. Step 6: Final answer
    x = 67,131.82

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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.