Home / 45,560.34-68,278.14-28,931.96

Finding the Fourth Proportional to 45,560.34, 68,278.14 and 28,931.96

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Solution

The fourth proportional to 45,560.34, 68,278.14 and 28,931.96 is: 43,358.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,560.34 : 68,278.14 = 28,931.96 : x
  2. Step 2: Convert to fraction form
    45,560.34/68,278.14 = 28,931.96/x
  3. Step 3: Cross multiply
    45,560.34x = 68,278.14 × 28,931.96
  4. Step 4: Simplify right side
    45,560.34x = 1,975,420,394.02
  5. Step 5: Solve for x
    x = 1,975,420,394.02/45,560.34
  6. Step 6: Final answer
    x = 43,358.34

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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.