Home / 66,047.94-99,077.67-18,663.53

Finding the Fourth Proportional to 66,047.94, 99,077.67 and 18,663.53

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Solution

The fourth proportional to 66,047.94, 99,077.67 and 18,663.53 is: 27,996.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,047.94 : 99,077.67 = 18,663.53 : x
  2. Step 2: Convert to fraction form
    66,047.94/99,077.67 = 18,663.53/x
  3. Step 3: Cross multiply
    66,047.94x = 99,077.67 × 18,663.53
  4. Step 4: Simplify right side
    66,047.94x = 1,849,138,570.99
  5. Step 5: Solve for x
    x = 1,849,138,570.99/66,047.94
  6. Step 6: Final answer
    x = 27,996.92

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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.