Home / 53,537.02-80,318.29-18,476.98

Finding the Fourth Proportional to 53,537.02, 80,318.29 and 18,476.98

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Solution

The fourth proportional to 53,537.02, 80,318.29 and 18,476.98 is: 27,719.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,537.02 : 80,318.29 = 18,476.98 : x
  2. Step 2: Convert to fraction form
    53,537.02/80,318.29 = 18,476.98/x
  3. Step 3: Cross multiply
    53,537.02x = 80,318.29 × 18,476.98
  4. Step 4: Simplify right side
    53,537.02x = 1,484,039,437.96
  5. Step 5: Solve for x
    x = 1,484,039,437.96/53,537.02
  6. Step 6: Final answer
    x = 27,719.87

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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.