Home / 55,530.02-83,299.54-18,080.12

Finding the Fourth Proportional to 55,530.02, 83,299.54 and 18,080.12

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Solution

The fourth proportional to 55,530.02, 83,299.54 and 18,080.12 is: 27,121.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,530.02 : 83,299.54 = 18,080.12 : x
  2. Step 2: Convert to fraction form
    55,530.02/83,299.54 = 18,080.12/x
  3. Step 3: Cross multiply
    55,530.02x = 83,299.54 × 18,080.12
  4. Step 4: Simplify right side
    55,530.02x = 1,506,065,679.14
  5. Step 5: Solve for x
    x = 1,506,065,679.14/55,530.02
  6. Step 6: Final answer
    x = 27,121.65

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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.