Home / 66,348.96-99,527.28-19,602.72

Finding the Fourth Proportional to 66,348.96, 99,527.28 and 19,602.72

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Solution

The fourth proportional to 66,348.96, 99,527.28 and 19,602.72 is: 29,405.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,348.96 : 99,527.28 = 19,602.72 : x
  2. Step 2: Convert to fraction form
    66,348.96/99,527.28 = 19,602.72/x
  3. Step 3: Cross multiply
    66,348.96x = 99,527.28 × 19,602.72
  4. Step 4: Simplify right side
    66,348.96x = 1,951,005,402.20
  5. Step 5: Solve for x
    x = 1,951,005,402.20/66,348.96
  6. Step 6: Final answer
    x = 29,405.21

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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.