Home / 64,031.94-95,970.12-45,317.44

Finding the Fourth Proportional to 64,031.94, 95,970.12 and 45,317.44

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Solution

The fourth proportional to 64,031.94, 95,970.12 and 45,317.44 is: 67,921.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,031.94 : 95,970.12 = 45,317.44 : x
  2. Step 2: Convert to fraction form
    64,031.94/95,970.12 = 45,317.44/x
  3. Step 3: Cross multiply
    64,031.94x = 95,970.12 × 45,317.44
  4. Step 4: Simplify right side
    64,031.94x = 4,349,120,154.89
  5. Step 5: Solve for x
    x = 4,349,120,154.89/64,031.94
  6. Step 6: Final answer
    x = 67,921.11

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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.